scholarly journals Antibiotic Prescribing in 4 Assisted-Living Communities: Incidence and Potential for Improvement

2014 ◽  
Vol 35 (S3) ◽  
pp. S62-S68 ◽  
Author(s):  
Philip D. Sloane ◽  
Sheryl Zimmerman ◽  
David Reed ◽  
Anna Song Beeber ◽  
Latarsha Chisholm ◽  
...  
Keyword(s):  
Quality Improvement ◽  
Online Education ◽  
Assisted Living ◽  
Inappropriate Prescribing ◽  
Antibiotic Use ◽  
Quality Improvement Intervention ◽  
Antibiotic Prescribing ◽  
Systemic Antibiotic ◽  
Long Time ◽  
Time Periods

Objective.To describe the prevalence, characteristics, and appropriateness of systemic antibiotic use in assisted living (AL) and to conduct a preliminary quality improvement intervention trial to reduce inappropriate prescribing.Design.Pre-post study, with a 13-month intervention period.Setting.Four AL communities.Participants.All prescribers, all AL staff who communicate with prescribers, and all patients who had an infection during the baseline and intervention periods.Intervention.A standardized form for AL staff, an online education course and 5 practice briefs for prescribers, and monthly quality improvement meetings with AL staff.Measurements.Monthly inventory of all systemic antibiotic prescriptions; interviews with the prescriber, AL staff member, closest family member, and patient (when capable) regarding 85 antibiotic prescribing episodes (30 baseline, 55 intervention), with data review by an expert panel to determine prescribing appropriateness.Results.The mean number of systemic antibiotic prescriptions was 3.44 per 1,000 resident-days at baseline and 3.37 during the intervention, a nonsignificant change (P = .30). Few prescribers participated in online training. AL staff use of the standardized form gradually increased during the program. The proportion of prescriptions rated as probably inappropriate was 26% at baseline and 15% during the intervention, a nonsignificant trend (P = .25). Drug selection was largely appropriate during both time periods.Conclusions.AL antibiotic prescribing rates appear to be approximately one-half those seen in nursing homes, with up to a quarter being potentially inappropriate. Interventions to improve prescribing must reach all physicians and staff and most likely will require long time periods to have the optimal effect.

scholarly journals Interrupted Time-Series Analysis to Evaluate the Impact of a Behavioral Change Outpatient Antibiotic Stewardship Intervention

2021 ◽  
Vol 1 (S1) ◽  
pp. s15-s16
Author(s):  
Brittany Morgan ◽  
Larissa May ◽  
Haylee Bettencourt
Keyword(s):  
Quality Improvement ◽  
Antibiotic Stewardship ◽  
Respiratory Infections ◽  
Inappropriate Prescribing ◽  
The United States ◽  
Quality Improvement Intervention ◽  
Antibiotic Prescribing ◽  
The Impact ◽  
Improvement Intervention ◽  
Inappropriate Prescriptions

Background: The Centers for Disease Control and Prevention (CDC) estimates that outpatient settings account for 85%–90% of antibiotic prescriptions in the United States, and ~30% of those prescriptions are unnecessary. One of the most common examples of inappropriate prescribing is for viral upper respiratory infections (URIs). Up to 50% of prescriptions written for URIs are deemed inappropriate, making it an important focus for Antibiotic Stewardship programs. In this study, we evaluated the effect of a behaviorally enhanced quality improvement intervention in reducing inappropriate antibiotic prescribing for viral URIs. Methods: A quasi-experimental study assessed the effects of an Antibiotic Stewardship intervention on antibiotic prescribing for viral URIs. The outcome of interest was a change in the number of antibiotics prescribed at each participating clinic over a 1-year preimplementation period and a 2-year postimplementation period. Time trends were analyzed using segmented regression analysis, and a stepped wedge design was used to account for intervention roll-out across clinics. Results: From 2017 to 2020, there were 63,028 patient visits in 21 clinic locations. Antibiotics were prescribed an average of 11.5% and 5.8% of visits during the pre- and postimplementation periods, respectively. The most frequently prescribed antibiotic over the study period was azithromycin (n = 3,551), followed by amoxicillin (n = 924). Overall, the intervention was associated with a 46% reduction in antibiotic prescriptions or 0.54 times (P = .001) as many inappropriate antibiotics prescribed as before the intervention. There was no significant change in the month-to-month trend in inappropriate prescriptions after the intervention was implemented (P = .87). Conclusions: Our study demonstrates that a behaviorally enhanced quality improvement intervention to reduce inappropriate prescribing for URI in ambulatory care encounters was successful in reducing potentially inappropriate prescriptions for presumed viral respiratory infections.Funding: NoDisclosures: None

scholarly journals 154. Development of an Electronic Algorithm to Target Outpatient Antimicrobial Stewardship Efforts for Adults with Acute Pharyngitis

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S87-S87
Author(s):  
Ebbing Lautenbach ◽  
Keith W Hamilton ◽  
Robert Grundmeier ◽  
Melinda M Neuhauser ◽  
Lauri Hicks ◽  
...  
Keyword(s):  
Chart Review ◽  
Inappropriate Prescribing ◽  
Antibiotic Use ◽  
University Of Pennsylvania ◽  
Antibiotic Prescribing ◽  
Acute Pharyngitis ◽  
Test Characteristics ◽  
Appropriate Prescribing ◽  
Concurrent Infections ◽  
The Impact

Abstract Background Although most antibiotic use occurs in outpatients, antibiotic stewardship programs (ASPs) have primarily focused on inpatients. A major challenge for outpatient ASPs is lack of accurate and accessible electronic data to target interventions. We developed and validated an electronic algorithm to identify inappropriate antibiotic use for adult outpatients with acute pharyngitis. Methods In the University of Pennsylvania Health System, we used ICD-10 diagnostic codes to identify patient encounters for acute pharyngitis at outpatient practices between 3/15/17 – 3/14/18. Exclusion criteria included immunocompromising conditions, comorbidities, and concurrent infections that might require antibiotic use. We randomly selected 300 eligible subjects. Inappropriate antibiotic use based on chart review served as the basis for assessment of the electronic algorithm which was constructed using only data in the electronic health record (EHR). Criteria for appropriate prescribing, choice of antibiotic, and duration included positive streptococcal testing, use of penicillin/amoxicillin (absent b-lactam allergy), and 10 days maximum duration of therapy. Results Of 300 subjects, median age was 42, 75% were female, 64% were seen by internal medicine (vs. family medicine), and 69% were seen by a physician (vs. advanced practice provider). On chart review, 127 (42%) subjects received an antibiotic, of which 29 had a positive streptococcal test and 4 had another appropriate indication. Thus, 74% (94/127) of patients received antibiotics inappropriately. Of the 29 patients who received appropriate prescribing, 27 (93%) received an appropriate antibiotic. Finally, of the 29 patients who were appropriately treated, 29 (100%) received the correct duration. Test characteristics of the EHR algorithm (compared to chart review) are noted in the Table. Conclusion Inappropriate antibiotic prescribing for acute pharyngitis is common. An electronic algorithm for identifying inappropriate prescribing, antibiotic choice, and duration is highly accurate. This algorithm could be used to efficiently assess prescribing among practices and individual clinicians. The impact of interventions based on this algorithm should be tested in future work. Test Characteristics of Electronic Algorithm for Inappropriate Prescribing, Agent, and Duration Disclosures All Authors: No reported disclosures

Inappropriate outpatient antibiotic use in children insured by Kentucky Medicaid

2021 ◽  
pp. 1-7
Author(s):  
Bethany A. Wattles ◽  
Kahir S. Jawad ◽  
Yana Feygin ◽  
Maiying Kong ◽  
Navjyot K. Vidwan ◽  
...  
Keyword(s):  
Claims Data ◽  
Inappropriate Prescribing ◽  
Patient Characteristics ◽  
Antibiotic Use ◽  
Population Based ◽  
Antibiotic Prescribing ◽  
Cross Sectional ◽  
Inappropriate Use ◽  
Pharmacy Claims ◽  
Medicaid Children

Abstract Objective: To describe risk factors associated with inappropriate antibiotic prescribing to children. Design: Cross-sectional, retrospective analysis of antibiotic prescribing to children, using Kentucky Medicaid medical and pharmacy claims data, 2017. Participants: Population-based sample of pediatric Medicaid patients and providers. Methods: Antibiotic prescriptions were identified from pharmacy claims and used to describe patient and provider characteristics. Associated medical claims were identified and linked to assign diagnoses. An existing classification scheme was applied to determine appropriateness of antibiotic prescriptions. Results: Overall, 10,787 providers wrote 779,813 antibiotic prescriptions for 328,515 children insured by Kentucky Medicaid in 2017. Moreover, 154,546 (19.8%) of these antibiotic prescriptions were appropriate, 358,026 (45.9%) were potentially appropriate, 163,654 (21.0%) were inappropriate, and 103,587 (13.3%) were not associated with a diagnosis. Half of all providers wrote 12 prescriptions or less to Medicaid children. The following child characteristics were associated with inappropriate antibiotic prescribing: residence in a rural area (odds ratio [OR], 1.09; 95% confidence interval [CI], 1.07–1.1), having a visit with an inappropriate prescriber (OR, 4.15; 95% CI, 4.1–4.2), age 0–2 years (OR, 1.39; 95% CI, 1.37–1.41), and presence of a chronic condition (OR, 1.31; 95% CI, 1.28–1.33). Conclusions: Inappropriate antibiotic prescribing to Kentucky Medicaid children is common. Provider and patient characteristics associated with inappropriate prescribing differ from those associated with higher volume. Claims data are useful to describe inappropriate use and could be a valuable metric for provider feedback reports. Policies are needed to support analysis and dissemination of antibiotic prescribing reports and should include all provider types and geographic areas.

scholarly journals A prospective antibiotic point prevalence survey in two primary referral hospitals during and after pilgrims stay in Madinah, Saudi Arabia

2020 ◽  
Vol 19 (2) ◽  
pp. 391-399
Author(s):  
Yaser M. ◽  
Ahmad K. Aljabri ◽  
Faisal N. Alsaadi ◽  
Lamiaa M. Rizk ◽  
Renad Y. Alahmadi ◽  
...  
Keyword(s):  
Quality Improvement ◽  
Antibiotic Therapy ◽  
Prevalence Rate ◽  
Antibiotic Use ◽  
Point Prevalence ◽  
Antibiotic Prescribing ◽  
Prevalence Survey ◽  
Point Prevalence Survey ◽  
Significant Difference ◽  
Referral Hospitals

Purpose: To assess current patterns of antibiotic use by carrying out two point-prevalence surveys (PPS) in Madinah after the return of hajj pilgrims from Makkah and when Madinah is free from pilgrims. Methods: In September 2016 and November 2016, a prospective PPS was conducted on two separate dates (during the hajj pilgrims stay in Madinah and after they leave). Data on antibiotics use were generated during these two periods. This involved an audit from all the departments of two referral hospitals (King Fahad Hospital (KFH) - 425 beds, and Al Ansar Hospital - 100 beds) of inpatients records. Data were collected using standard forms adapted from the European Centre for Disease Control (ECDC). Results: A total of 675 inpatients were included in PPS; among them, 332 (49.18 %) patients were receiving antibiotic therapy. In September 2016, 168 patients were treated with antibiotics, with a prevalence rate of 50.60 %, whereas, in November 2016, the prevalence rate was 49.40 %. Overall, 198 patients were identified in surgical wards, of which 132 patients (66.6 %) were receiving antibiotic therapy; 121 patients in ICU of which 70 patients (57.8 %) received antibiotics; 13 patients in other wards of which 6 (46.1 %) received antibiotic treatment; and 343 patients in medical wards of which 126 patients (36.7 %) were treated with antibiotics. There was no significant difference in prevalence of antibiotic prescribing between the two surveys (Pearson Chi-square test, p = 0.56) and with regards to patient age between the two surveys (Mann-Whitney U-test, p = 0.32). Conclusion: The results demonstrate that antibiotic use with adherence to hospital guidelines and PPS helps in identifying targets for quality improvement. Moreover, to escalate the prudent use of antibiotics in hospitals, PPS provides a useful tool. Furthermore, this survey provides a background to evaluate antibiotic use by a standardized methodology. Keywords: Point prevalence survey, Antibiotic use, Prescribing practices, Antibiotic resistance, Quality improvement, Antibiotic stewardship, Hajj, Pilgrims

scholarly journals Trends in outpatient antibiotic use and prescribing practice among US older adults, 2011-15: observational study

BMJ ◽  
2018 ◽  
pp. k3155 ◽  
Author(s):  
Scott W Olesen ◽  
Michael L Barnett ◽  
Derek R MacFadden ◽  
Marc Lipsitch ◽  
Yonatan H Grad
Keyword(s):  
Older Adults ◽  
Observational Study ◽  
Inappropriate Prescribing ◽  
Temporal Trends ◽  
Antibiotic Use ◽  
Antibiotic Prescribing ◽  
Administrative Claims ◽  
Fee For Service ◽  
Medicare Beneficiaries ◽  
Prescribing Practice

AbstractObjectiveTo identify temporal trends in outpatient antibiotic use and antibiotic prescribing practice among older adults in a high income country.DesignObservational study using United States Medicare administrative claims in 2011-15.SettingMedicare, a US national healthcare program for which 98% of older adults are eligible.Participants4.5 million fee-for-service Medicare beneficiaries aged 65 years old and older.Main outcome measurementsOverall rates of antibiotic prescription claims, rates of potentially appropriate and inappropriate prescribing, rates for each of the most frequently prescribed antibiotics, and rates of antibiotic claims associated with specific diagnoses. Trends in antibiotic use were estimated by multivariable regression adjusting for beneficiaries’ demographic and clinical covariates.ResultsThe number of antibiotic claims fell from 1364.7 to 1309.3 claims per 1000 beneficiaries per year in 2011-14 (adjusted reduction of 2.1% (95% confidence interval 2.0% to 2.2%)), but then rose to 1364.3 claims per 1000 beneficiaries per year in 2015 (adjusted reduction of 0.20% over 2011-15 (0.09% to 0.30%)). Potentially inappropriate antibiotic claims fell from 552.7 to 522.1 per 1000 beneficiaries over 2011-14, an adjusted reduction of 3.9% (3.7% to 4.1%). Individual antibiotics had heterogeneous changes in use. For example, azithromycin claims per beneficiary decreased by 18.5% (18.2% to 18.8%) while levofloxacin claims increased by 27.7% (27.2% to 28.3%). Azithromycin use associated with each of the potentially appropriate and inappropriate respiratory diagnoses decreased, while levofloxacin use associated with each of those diagnoses increased.ConclusionAmong US Medicare beneficiaries, overall antibiotic use and potentially inappropriate use in 2011-15 remained steady or fell modestly, but individual drugs had divergent changes in use. Trends in drug use across indications were stronger than trends in use for individual indications, suggesting that guidelines and concerns about antibiotic resistance were not major drivers of change in antibiotic use.

scholarly journals 246. Antibiotic Prescribing Patterns for Residents in Assisted Living Facilities

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S122-S123
Author(s):  
Chi-Yin Liao ◽  
Christopher J Crnich ◽  
James Ford II
Keyword(s):  
Antibiotic Treatment ◽  
Assisted Living ◽  
Antibiotic Use ◽  
Prescribing Patterns ◽  
Clinical Indication ◽  
Antibiotic Prescribing ◽  
Assisted Living Facilities ◽  
Days Of Therapy ◽  
Using Data ◽  
The Individual

Abstract Background Knowledge about antibiotic utilization in Assisted Living Facilities (ALFs) is limited. Studies have primarily focused on aggregate prescribing patterns, clinical indications for antibiotics, and the types of antibiotics prescribed. Information about individual resident prescribing patterns is limited. This project addresses the gap by using data from a convenient sample of ALFs. Methods Data on antibiotic prescriptions from 3 ALFs in Wisconsin were collected for a one-year period. Information included start and stop dates, clinical indication, and antibiotic prescribed. Antibiotic orders for the same resident were categorized as distinct events to capture treatment courses if 1) the days between the end date of the prior antibiotic and the initiation date of subsequent antibiotic orders were > 4 days, or 2) if the identified indications for the prior and subsequent antibiotic were different. Event-level indication was further defined based on (2). Descriptive statistics were used to understand antibiotic prescribing patterns at the individual and event level. Results A total of 207 antibiotic events among 110 assisted-living residents were identified. The patterns of antibiotic use at the resident and treatment course levels are described in tables 1 and 2, respectively. On average, each resident was received 1.9 (range:1 to 10) antibiotic treatment courses for an average of 24.8 (range: 1 to 237) total antibiotic days. The treatment duration of each treatment course averaged 14.5 days (range: 1 to 306). About 10 % of residents had 4 or more antibiotic events and days of therapy over 56 days. 43% of residents were prescribed an antibiotic without a clinical indication and 26% of the antibiotic events were not indicated. UTI was the most common indication for antibiotic treatment (31%) and ciprofloxacin was the most commonly prescribed antibiotic (22%). Conclusion The current study demonstrates multiple opportunities to improve antibiotic use in ALFs, including: 1) specification of indication for the antibiotic; 2) reducing unnecessary antibiotic treatments; 3) shortening durations of treatments; and 4) reducing use of broad-spectrum antibiotics. Studies on interventions that target these areas are needed. Disclosures All Authors: No reported disclosures

scholarly journals Road to Increasing AMR: A Study on Antibiotics Prescribing Pattern

2020 ◽  
Vol 41 (S1) ◽  
pp. s496-s497
Author(s):  
Bobson Derrick Fofanah ◽  
Christiana Conteh ◽  
Jamine Weiss
Keyword(s):  
Broad Spectrum ◽  
Inappropriate Prescribing ◽  
Antibiotic Use ◽  
Prescribing Patterns ◽  
Antibiotic Prescribing ◽  
Antimicrobial Use ◽  
Strict Adherence ◽  
Targeted Interventions ◽  
Broad Spectrum Antibiotics ◽  
Trade Names

Background: Infectious diseases and the rapid emergence of multidrug-resistant pathogens continue to pose a threat to global health. The development of antimicrobial-resistant organisms is an alarming issue caused by inappropriate use of antibiotic agents. It is estimated that death from antimicrobial resistant pathogens could increase >10-fold to ~10 million deaths annually by 2050 if action is not taken. “It is essential to have reliable data on how medicines are used in order to identify areas to develop targeted interventions” (WHO 2011). Investigating antimicrobial use in hospitals is the first step in evaluating the underlying causes of AMR. In Sierra Leone, no other study related to antibiotic prescribing patterns in hospital setting has been undertaken. Objective: To investigate antibiotic prescription patterns using the WHO hospital antimicrobial use indicator tool at the Kingharman Hospital for 1 month. Methods: Data were collected from patient charts for 1 month, January 1–31, 2019. A data extraction tool was used to capture information on patient demographics, diagnosis, and antibiotics prescription details regarding dosage, duration, and frequency of administration. The tool adopted 6 selected indicators from the WHO antimicrobial use manual to measure the extent of antibiotic use in hospital and performance among prescribers. Results: Of the 189 charts reviewed, 175 included antibiotic prescriptions. The percentage of prescriptions involving antibiotics was 92.5%. The average number of drugs prescribed was 2, with an average duration of 5.2 days. Moreover, 50.5% of antibiotics prescribed were generic, and 96.6% were from the Ministry of Health and Sanitation Essential Medicine List (EML). The most commonly used antibiotics were ciprofloxacin (38.8%), followed by ceftriaxone (23.0%), amoxicillin (16.8%), metronidazole (8.5%), and others(12.7%). Typhoid accounted for 34.8% of broad-spectrum antibiotics, UTI accounted for 17.7%, malaria accounted for 12.5%, 25.5% were unspecified, and 9.5% were for unclear diagnoses. Typically, combinations of fluroquinolones and cephalosporins were used to treat typhoid and UTIs. Conclusions: This cross-sectional study represents a broad picture of antibiotic prescribing patterns at the King Harman Hospital. There was no strict adherence to the WHO recommended prescribing guidelines. These findings also indicate the degree of irrational and inappropriate prescribing of broad-spectrum antibiotics. This study highlights the need for a comprehensive assessment of antimicrobial use to gain a better understanding of national antibiotic use and to guide interventions to reducing AMR.Funding: NoneDisclosures: NoneIf I am discussing specific healthcare products or services, I will use generic names to extent possible. If I need to use trade names, I will use trade names from several companies when available, and not just trade names from any single company.DisagreeChristiana Kallon

scholarly journals Risks of use and non-use of antibiotics in primary care: qualitative study of prescribers’ views

BMJ Open ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. e038851
Author(s):  
Olga Boiko ◽  
Caroline Burgess ◽  
Robin Fox ◽  
Mark Ashworth ◽  
Martin C Gulliford
Keyword(s):  
Risk Assessment ◽  
Primary Care ◽  
Qualitative Study ◽  
Management Strategies ◽  
Inappropriate Prescribing ◽  
Antibiotic Use ◽  
Warning Signs ◽  
Antibiotic Prescribing ◽  
Trade Offs ◽  
Perceive Risk

PurposeThe emergence of antimicrobial resistance has led to increasing efforts to reduce unnecessary use of antibiotics in primary care, but potential hazards from bacterial infection continue to cause concern. This study investigated how primary care prescribers perceive risk and safety concerns associated with reduced antibiotic prescribing.MethodsQualitative study using semistructured interviews conducted with primary care prescribers from 10 general practices in an urban area and a shire town in England. A thematic analysis was conducted.ResultsThirty participants were recruited, including twenty-three general practitioners, five nurses and two pharmacists. Three main themes were identified: risk assessment, balancing treatment risks and negotiating decisions and risks. Respondents indicated that their decisions were grounded in clinical risk assessment, but this was informed by different approaches to antibiotic use, with most leaning towards reduced prescribing. Prescribers’ perceptions of risk included the consequences of both inappropriate prescribing and inappropriate withholding of antibiotics. Sepsis was viewed as the most concerning potential outcome of non-prescribing, leading to possible patient harm and potential litigation. Risks of antibiotic prescribing included antibiotic resistant and Clostridium difficile infections, as well as side effects, such as rashes, that might lead to possible mislabelling as antibiotic allergy. Prescribers elicited patient preferences for use or avoidance of antibiotics to inform management strategies, which included educational advice, advice on self-management including warning signs, use of delayed prescriptions and safety netting.ConclusionsAttitudes towards antibiotic prescribing are evolving, with reduced antibiotic prescribing now being approached more systematically. The safety trade-offs associated with either use or non-use of antibiotics present difficulties especially when prescribing decisions are inconsistent with patients’ expectations.

scholarly journals Trends in outpatient antibiotic prescribing practice among US older adults, 2011-2015: an observational study

2018 ◽  
Author(s):  
Scott W. Olesen ◽  
Michael L. Barnett ◽  
Derek R. MacFadden ◽  
Marc Lipsitch ◽  
Yonatan H. Grad
Keyword(s):  
Older Adults ◽  
Observational Study ◽  
Inappropriate Prescribing ◽  
Temporal Trends ◽  
Antibiotic Use ◽  
Antibiotic Prescribing ◽  
Administrative Claims ◽  
Medicare Beneficiaries ◽  
Inappropriate Use ◽  
Prescribing Practice

Structured abstractObjectiveTo identify temporal trends in outpatient antibiotic use and antibiotic prescribing practice among older adults.DesignObservational study using United States Medicare administrative claims during 2011-2015. Trends in antibiotic use were estimated using multivariable regression adjusting for beneficiaries’ demographic and clinical covariates.SettingMedicare.Participants4.6 million Medicare beneficiaries from a nationwide, 20% sample of fee-forservice Medicare beneficiaries ≥65 years old.Main outcome measurementsOverall rates of antibiotic prescription claims, rates of appropriate and inappropriate prescribing, rates for each of the most frequently prescribed antibiotics, and rates of antibiotic claims associated with specific diagnoses.ResultsAntibiotic claims fell from 1362.2 to 1361.6 claims per 1,000 beneficiaries per year during 2011-2015, an overall 0.2% decrease (95% CI 0.07-0.32). Inappropriate antibiotic claims fell from 552 to 533 claims per 1,000 beneficiaries, a 4.1% decrease (CI 3.9-4.3). Individual antibiotics had heterogeneous changes in use. For example, azithromycin claims per beneficiary decreased by 18.4% (CI 18.2-18.7) while levofloxacin claims increased by 28.1% (CI 27.5-28.6). Azithromycin use associated with each of the potentially appropriate and inappropriate respiratory diagnoses we considered decreased, while levofloxacin use associated with each of those diagnoses increased.ConclusionAmong US Medicare beneficiaries, overall antibiotic use and inappropriate use declined modestly, but individual drugs experienced divergent changes in use. Trends in drug use across indications were stronger than trends in use for individual indications, suggesting that guidelines and concerns about antibiotic resistance were not major drivers of change in antibiotic use.

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