scholarly journals Malignancy Rate and Malignancy Risk Assessment in Different Lesions of Uncertain Malignant Potential in the Breast (B3 Lesions): An Analysis of 192 Cases from a Single Institution

Breast Care ◽  
2021 ◽  
pp. 1-7
Author(s):  
Svjetlana Mohrmann ◽  
Anna Maier-Bode ◽  
Frederic Dietzel ◽  
Petra Reinecke ◽  
Natalia Krawczyk ◽  
...  
Keyword(s):  
Risk Factor ◽  
Minimally Invasive ◽  
Surgical Resection ◽  
Significant Risk ◽  
Malignant Potential ◽  
Flat Epithelial Atypia ◽  
Malignancy Rate ◽  
Increased Risk ◽  
Ductal Hyperplasia ◽  
B3 Lesions

<b><i>Background:</i></b> The question of how to deal with B3 lesions is of emerging interest. <b><i>Methods:</i></b> In the breast diagnostics of 192 patients between 2009 and 2016, a minimally invasive biopsy revealed a B3 lesion with subsequent resection. This study investigates the malignancy rate of different B3 subgroups and the risk factors that play a role in obtaining a malignant finding. <b><i>Results:</i></b> The distribution of B3 lesions after minimally invasive biopsy was as follows: atypical ductal hyperplasia (ADH), 7.3%; flat epithelial atypia (FEA), 7.8%; lobular neoplasia (LN), 7.8%; papilloma (Pa), 49.5%; phylloidal tumour (PT), 8.9%; radial sclerosing scar (RS), 3.1%; mixed findings, 10.4%; and other B3 lesions, 5.2%. Most B3 lesions were detected by stereotactic vacuum-assisted biopsy (44.3%), 36.5% by ultrasound-assisted biopsy, and 19.3% by magnetic resonance imaging-assisted biopsy. Most B3 lesions (55.2%) were verified by surgical resection, whereas 30.7% were downgraded to a benign lesion. About 14.1% of the cases were upgraded to malignant lesions, 9.4% to ductal carcinoma in situ and 4.7% to invasive carcinoma. In relation to individual B3 lesions, the following malignancy rates were found: 28.6% (ADH), 13.3% (FEA), 33.3% (LN), 12.6% (Pa), 5.9% (PT), and 0% (RS). The most important risk factor was increasing age. Postmenopausal status was considered an increased risk for an upgrade (<i>p =</i> 0.015). A known malignancy in the ipsilateral breast was a significant risk factor for a malignant upgrade (<i>p =</i> 0.003). <b><i>Conclusion:</i></b> Increasing knowledge about B3 lesions allows us to develop a “lesion-specific” therapy approach in the heterogeneous group of B3 lesions, with follow-up imaging for some lesions with less malignant potential and concordance with imaging or further surgical resection in cases of disconcordance with imaging or higher malignant potential.

Heterogeneous risk profiles among B3 breast lesions of uncertain malignant potential

2019 ◽  
Vol 106 (2) ◽  
pp. 115-125 ◽  
Author(s):  
Paolo Orsaria ◽  
Antonella Grasso ◽  
Rita Carino ◽  
Emanuele Caredda ◽  
Matteo Sammarra ◽  
...  
Keyword(s):  
Ductal Carcinoma ◽  
Phyllodes Tumor ◽  
Malignant Potential ◽  
Flat Epithelial Atypia ◽  
Breast Lesions ◽  
Uncertain Malignant Potential ◽  
Predictive Values ◽  
Ductal Hyperplasia ◽  
B3 Lesions ◽  
Risk Of Malignancy

Background: Most cases of breast lesions of uncertain malignant potential (B3) undergo surgical intervention. We aimed to analyze the outcome of B3 lesion subtypes in a large series of screen-detected cases. Methods: We screened 2,986 core needle biopsies to classify B3 lesions. Positive predictive values (PPVs) for malignancy were calculated for a comprehensive risk characterization according to clinicopathologic and morphologic variables. Results: B3 lesions comprised 35% atypical ductal hyperplasia (PPV = 20%), 16.7% flat epithelial atypia (PPV = 12%), 22.7% lobular neoplasia (PPV = 16.2%), 9% papillary lesion (PPV = 18.5%), 8.6% phyllodes tumor (PPV = 3.8%), and 8% radial scars (PPV = 4.1%) based on histopathologic diagnosis. Upgrade rates were 15.9% for calcifications, 13.7% for mass lesions, and 16.7% for architectural deformities, with 8.3% of malignant lesions classified as ductal carcinoma in situ and 6.7% as invasive cancers (PPV = 15%). Conclusion: B3 lesions entail a heterogeneous risk of malignancy, and careful radiologic–pathologic correlation is required for optimal treatment.

Physical Illness and Suicide Risk in Rural Residents of Contemporary China

Crisis ◽  
2014 ◽  
Vol 35 (5) ◽  
pp. 330-337 ◽  
Author(s):  
Cun-Xian Jia ◽  
Lin-Lin Wang ◽  
Ai-Qiang Xu ◽  
Ai-Ying Dai ◽  
Ping Qin
Keyword(s):  
Risk Factor ◽  
Family Income ◽  
Rural China ◽  
Significant Risk ◽  
Significant Risk Factor ◽  
Health Condition ◽  
Physical Illness ◽  
Rural Residents ◽  
Increased Risk ◽  
Study Population

Background: Physical illness is linked with an increased risk of suicide; however, evidence from China is limited. Aims: To assess the influence of physical illness on risk of suicide among rural residents of China, and to examine the differences in the characteristics of people completing suicide with physical illness from those without physical illness. Method: In all, 200 suicide cases and 200 control subjects, 1:1 pair-matched on sex and age, were included from 25 townships of three randomly selected counties in Shandong Province, China. One informant for each suicide or control subject was interviewed to collect data on the physical health condition and psychological and sociodemographic status. Results: The prevalence of physical illness in suicide cases (63.0%) was significantly higher than that in paired controls (41.0%; χ2 = 19.39, p < .001). Compared with suicide cases without physical illness, people who were physically ill and completed suicide were generally older, less educated, had lower family income, and reported a mental disorder less often. Physical illness denoted a significant risk factor for suicide with an associated odds ratio of 3.23 (95% CI: 1.85–5.62) after adjusted for important covariates. The elevated risk of suicide increased progressively with the number of comorbid illnesses. Cancer, stroke, and a group of illnesses comprising dementia, hemiplegia, and encephalatrophy had a particularly strong effect among the commonly reported diagnoses in this study population. Conclusion: Physical illness is an important risk factor for suicide in rural residents of China. Efforts for suicide prevention are needed and should be integrated with national strategies of health care in rural China.

scholarly journals Relevance of B3 lesions in breast diagnosis – frequency and therapeutic consequences

2018 ◽  
Vol 15 (03) ◽  
pp. 153-159 ◽  
Author(s):  
Christin Madjar ◽  
James Seabert ◽  
Annette Fisseler-Eckhoff ◽  
Christian Gustmann ◽  
Isabell Hoffmann ◽  
...  
Keyword(s):  
Breast Imaging ◽  
Atypical Ductal Hyperplasia ◽  
Radial Scar ◽  
Flat Epithelial Atypia ◽  
Surgical Removal ◽  
Core Needle ◽  
Ductal Hyperplasia ◽  
Vacuum Biopsy ◽  
B3 Lesions ◽  
Epithelial Atypia

AbstractWith improvements in breast imaging and minimally invasive interventions, detection of early breast cancer has increased. However, with the improved diagnostic capabilities, the risk of false-positive benign lesions as well as lesions classified as B3 by histopathology has also increased. Varying rates of malignancies are associated with B3 lesions, raising the question of whether such lesions should always be surgically removed. The results of our retrospective analysis should assist in this decision-making process.307 core needle or vacuum-assisted needle biopsies in which B3 lesions were found were examined. The most common lesions were intraductal papillomas (44 %), atypical ductal hyperplasia (22.8 %), flat epithelial atypia (9.4 %), phyllodes tumours (6.5 %), radial scars (5.9 %), LIN 1 (4.9 %), complex fibroadenomas (3.3 %) and LIN 2 (1.6 %). The frequencies depended considerably on whether the tissue was obtained by core biopsy or vacuum biopsy. Stereotactic vacuum biopsy was generally performed in the case of microcalcification not apparent on sonography. Lesions visible on ultrasound had core needle biopsy.Surgery was performed in 254 cases and a malignancy was found in 27.2 % on the final histopathology. Malignancy was found in 24.6 % of 114 cases initially diagnosed as intraductal papilloma. Similarly, cancer was discovered in 48.4 % of the 62 cases of atypical ductal hyperplasia, in 2.4 % of the 41 cases of flat epithelial atypia, complex fibroadenoma and phyllodes tumour, in 20.7 % of the 29 cases of LIN 1 and radial scar as well as in 50 % of the 8 cases of LIN 2, adenomyoepithelioma and atypical apocrine metaplasia.These data indicate the necessity for complete surgical removal of a B3 lesion when it is discovered using the core needle or vacuum-assisted biopsy technique. The decision not to perform surgery can be made when the risk of associated malignancy is deemed low in the clinical pathology conference, but careful follow-up is essential.

scholarly journals Clinical and histopathological characteristics in patients with postmenopausal bleeding

2013 ◽  
Vol 21 (1) ◽  
pp. 5-10 ◽  
Author(s):  
Aljosa Mandic ◽  
Bojana Gutic ◽  
Tatjana Kapicl-Ivkovic ◽  
Ljiljana Segedi-Mladenovic ◽  
Mihaela Mocko-Kacanski
Keyword(s):  
Body Mass Index ◽  
Risk Factor ◽  
Endometrial Carcinoma ◽  
Body Mass ◽  
Transvaginal Ultrasound ◽  
Significant Risk ◽  
Histopathological Analysis ◽  
Postmenopausal Bleeding ◽  
Postmenopausal Period ◽  
Increased Risk

Background: Incidence of endometrial carcinoma in Vojvodina is 15-20/100 000. In 75% cases, endometrial carcinoma is diagnosed in postmenopausal period. In 90 % of patients, the first clinical sign is postmenopausal bleeding. The aim of the study was to investigate clinical and histopathological characteristics in patients with postmenopausal bleeding. Methods: The study included 122 patients with postmenopausal bleeding. All of these patients underwent gynecological examination and vaginal ultrasound. We obtained materials for histopathological analysis by fractionate explorative curettage. Once we had definitive histopathological findings, we divided patients in two groups A (endometrial carcinoma) and B (benign changes). Results: We confirmed significant statistical differences between examined group A and B, including age (64.49 compared with 58.81 years), postmenopausal period (13.67 instead 9.11 years), and length of uterine corpus (6.41 instead 5.25 cm). Conclusion: Elderly women with longer postmenopausal interval and postmenopausal bleeding had increased risk for endometrial carcinoma. Measurement of endometrial thickness by transvaginal ultrasound appeared to be insufficient parameter for differentiating the benign from the malignant changes of endometrium. Patients with endometrial carcinoma had significantly longer corpus of uterus comparing to patients with benign changes. Body mass index was not found to be significant risk factor in development of endometrial carcinoma in the examined groups. Obesity was diagnosed in both groups, suggesting that increased body mass index is a risk factor for development of pathological changes in endometrium, which could lead to postmenopausal bleeding.

scholarly journals Post-Anticoagulation Cessation D-Dimer Testing and VTE Recurrence in Real-World Australian Audit

Blood ◽  
2018 ◽  
Vol 132 (Supplement 1) ◽  
pp. 1227-1227
Author(s):  
Julie Wang ◽  
Rowena Brook ◽  
Alison Slocombe ◽  
Lisa Hong ◽  
Prahlad Ho
Keyword(s):  
Risk Factor ◽  
Significant Risk ◽  
Significant Risk Factor ◽  
Risk Of Recurrence ◽  
Increased Risk ◽  
Recurrent Vte ◽  
Residual Thrombus ◽  
Repeat Imaging ◽  
D Dimer

Abstract Aim Elevated D-dimer post-anticoagulation cessation is a recognised risk factor for recurrent venous thromboembolic events (VTE). In particular, raised D-dimer post cessation has been associated with increased risk of recurrence in unprovoked major VTE. Currently in Australia, D-dimer has not been widely used in practice to stratify the risk of VTE recurrence. This study aims to retrospectively analyse the effect of routine D-dimer testing and it's association with VTE recurrence. Methods A retrospective evaluation was performed on 1024 patients with a diagnosis of VTE at a tertiary hospital in Australia between January 2013 and December 2016. Data collected included demographics, results and timing of D-dimer testing and serial imaging results. Results 1024 patients were reviewed with a total median follow up of 12 months (range 0-59 months). D-dimer was tested in 189 patients (18.5%) within 90 days after cessation of anticoagulation. Of these patients, median age was 58 (18-92) and 55.3% (n=105) were female. 33.3% (n=63) had isolated distal deep vein thrombosis (IDDVT), 66.3% (n=126) had above knee DVT (AKDVT)/pulmonary embolus (PE), 54.5% (n=103) of VTE were provoked. Abnormal post cessation D-dimer (>500) was found in 72 patients (37.9%). Of these, 25 patients were restarted on anticoagulation; one had recurrent VTE whilst on low dose apixaban 2.5mg BD and one had recurrence after cessation of anticoagulation at a later date. Patients with elevated D-dimer post cessation had a higher rate of recurrence with the highest risk in patients with D-dimer >1000 (RR 7.38, p=<0.01) outlined in Table 1. Of the 164 patients with post cessation D-dimer testing who remained off anticoagulation there were a total of 24 (12.6%) episodes of recurrent VTE. Elevated D-dimer post anticoagulation cessation was a significant risk factor for recurrence in both provoked VTE (RR 4.21, p=0.01) and unprovoked VTE cohorts (RR 4.55, p=0.008) outlined in Table 2. When provoked VTE were sub-categorised, raised D-dimer demonstrated the most statistical significance in VTE provoked by travel (RR 13.5 p=0.06). Of the patients with post anticoagulation cessation D-dimer testing 170 patients (89.9%) had repeat imaging to assess for residual thrombus. In the subgroup of patients with no residual thrombus, elevated D-dimer was a significant risk factor for VTE recurrence (RR 6.4, p=<0.01). Patients with normal D-dimer and no residual thrombus had the lowest rate of recurrence 5.4% (n=4) see Table 3. When stratified by type of VTE, elevated D-dimer post anticoagulation cessation was significantly related to risk for recurrence in the overall IDDVT sub-cohort (RR 4.09, p=0.007). This was not significant for the AKDVT/PE sub cohort (RR 3.24, p=0.079). However, for patients with unprovoked AKDVT or PE, having D-dimer tested post anticoagulation, regardless of result, was associated with lower rates of VTE recurrence RR 0.30 (p=0.02) compared to those who had no D-dimer testing as part of follow-up. Conclusion Post treatment D-dimer testing may have a clinical role in stratifying the risk of VTE recurrence along with repeat imaging to detect residual thrombus. Elevated D-dimer post anticoagulation cessation is associated with increased risk of VTE recurrence for both provoked and unprovoked VTE with highest risk in patients with D-dimer >1000. Patients with no residual thrombus and a negative D-dimer post anticoagulation cessation had the lowest rate of recurrence. In the subgroup of patients with provoked VTE and IDDVT a positive D-dimer post cessation was associated with 4.21 and 4.09 relative risk of recurrence respectively, suggesting that the role of D-dimer testing can be extended to these subpopulations. Interestingly, in patients with unprovoked AKDVT or PE, having post-cessation D-dimer testing performed, regardless of result, was associated with a significantly lower rate of VTE recurrence compared to patients without D-dimer testing, which may be related to specialist review and recommencement of anticoagulation in high-risk patients. Disclosures No relevant conflicts of interest to declare.

scholarly journals Parvovirus Enteritis and Other Risk Factors Associated With Persistent Gastrointestinal Signs in Dogs Later in Life: a Retrospective Cohort Study

2021 ◽  
Author(s):  
Kanae Takada ◽  
Anne M. Flemming ◽  
Maarten J. Voordouw ◽  
Anthony P. Carr
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Cohort Study ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Significant Risk ◽  
Significant Risk Factor ◽  
Health Problems ◽  
Organ Systems ◽  
Increased Risk

Abstract Background: Parvoviral enteritis is a viral gastrointestinal (GI) infection of dogs. Recovery from PE has been associated with persistent GI signs. The objectives of this study were: (i) To determine whether dogs that have recovered from PE (post-parvo dogs) had an increased risk of persistent GI signs compared to uninfected controls. (ii) To investigate the lifestyle and clinicopathologic factors that are associated with persistent GI signs in post-parvo dogs. Methods: Eighty-six post-parvo dogs and 52 age-matched control dogs were enrolled in this retrospective cohort study. The owners were interviewed about the health and habits of their dogs using a questionnaire. We used logistic regression to test whether parvovirus enteritis and other risk factors are associated with general health problems in all dogs and with persistent GI signs in post-parvo dogs.Results: The prevalence of persistent GI signs was significantly higher in post-parvo dogs compared to control dogs (57% vs 25%, P < 0.001). Markers of disease severity such as neutropenia, low body temperature, and treatment with an antiemetic medication (metoclopramide) were significant risk factors for persistent GI signs in post-parvo dogs. Persistent GI signs in post-parvo dogs was a risk factor for health problems in other organ systems.Conclusions: Parvovirus enteritis is a significant risk factor for persistent GI signs in dogs highlighting the importance of prevention. The risk factors identified in the present study may guide future investigations on the mechanisms that link parvovirus enteritis to chronic health problems in dogs.

scholarly journals Allergic Comorbidity Is a Risk Factor for Not Attending Scheduled Outpatient Visits in Children with Asthma

Children ◽  
2021 ◽  
Vol 8 (12) ◽  
pp. 1193
Author(s):  
Kalle Garpvall ◽  
Marie Hauerslev ◽  
Mads Marckmann ◽  
Mette N. Hermansen ◽  
Kirsten S. Hansen ◽  
...  
Keyword(s):  
Risk Factor ◽  
Asthma Control ◽  
Treatment Adherence ◽  
Allergic Sensitization ◽  
Significant Risk ◽  
Significant Risk Factor ◽  
Asthma Severity ◽  
Outpatient Visits ◽  
Increased Risk ◽  
Children With Asthma

Asthma is one of the most common chronic diseases in children globally. Previous studies have shown that not attending asthma primary care consultations is associated with poorer treatment adherence and increased risk of loss of asthma control on a short-term basis. Here, we investigated long-term patterns and predictors of not attending scheduled asthma outpatient visits during 5-years of follow-up in 146 children with asthma. Of the 146 children, 67 (46%) did not attend at least one scheduled appointment, amounting to a total of 122 (10.8%) missed of 1133 scheduled appointments. In a multivariate analysis adjusting for total scheduled visits in the 5-year period any allergic sensitization was a significant risk factor for not attending ≥1 scheduled appointment (aOR = 6.6 (95% CI, 1.3–39.7), p = 0.03), which was not the case for asthma treatment step or lung function. Furthermore, atopic predisposition decreased the risk of non-attendance (aOR = 0.36 (0.13–0.92), p = 0.04). We found no association between non-attendance, treatment adherence or loss of asthma control. This study highlights that allergic comorbidity, but not degree of asthma severity, identifies a group of children with asthma who are prone to not attend scheduled outpatient appointments.

Feline diabetes mellitus in the UK: The prevalence within an insured cat population and a questionnaire-based putative risk factor analysis

2007 ◽  
Vol 9 (4) ◽  
pp. 289-299 ◽  
Author(s):  
Theresa M McCann ◽  
Kerry E Simpson ◽  
Darren J Shaw ◽  
Jennifer A Butt ◽  
Danielle A. Gunn-Moore
Keyword(s):  
Diabetes Mellitus ◽  
Risk Factors ◽  
Factor Analysis ◽  
Risk Factor ◽  
Classification Tree ◽  
Significant Risk ◽  
Corticosteroid Treatment ◽  
Risk Factor Analysis ◽  
Increased Risk ◽  
The Uk

Prevalence and risk factors for the development of diabetes mellitus (DM) in cats in the United Kingdom have not previously been reported. The prevalence of DM was evaluated in a large insured population and was found to be 1 in 230 cats. In this insured cat population Burmese cats were 3.7 times more likely to develop DM than non-pedigree cats. A convenience-sampling questionnaire-based study was used in order to identify putative risk factors for the development of DM. The univariate risk factor analysis identified being male, neutered, inactive, weighing ≥5 kg and having a history of corticosteroid treatment as significant risk factors for the development of DM in these cats. In addition, male cats treated with megestrol acetate had a significantly increased risk of developing DM compared to females. In contrast, there was no difference in DM occurrence between male and female Burmese cats. A multivariate classification tree-based model on the questionnaire data looking for interactions between risk factors, identified gender as the most important overall risk factor for the development of DM with low physical activity being the next most important risk factor for female cats and breed the next most important for male cats.

scholarly journals 2430. Comorbidity and Severity of Illness Risk Adjustment for Hospital-Onset Clostridioides difficile Infection

2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S840-S840
Author(s):  
Stephanie Cabral ◽  
Gita Nadimpalli ◽  
Kerri Thom ◽  
Surbhi Leekha ◽  
Lisa Harris ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Risk Adjustment ◽  
Eligible Patient ◽  
Significant Risk ◽  
Severity Of Illness ◽  
Significant Risk Factor ◽  
Patient Admissions ◽  
Increased Risk ◽  
Binomial Regression

Abstract Background Hospital-onset C. difficile infection (HO-CDI) rates are publicly reported. However, patient-level risk factors are not included in the current risk adjustment methodology, and the knowledge as to which risk factors to include is incomplete. This study aimed to determine whether electronically-available comorbidities and laboratory indicators of severity of illness are risk factors for HO-CDI. Methods We performed a retrospective cohort study of all adult patients admitted to three hospitals (one academic, two community) in Baltimore, Maryland between January 1, 2016 and January 1, 2018. Information extracted from electronic medical records included demographics, ICD-10 codes, laboratory results within 24 hours of admission (i.e., hematocrit, hemoglobin, platelet count, leukocytes, BUN, CO2, creatinine, glucose, sodium, and potassium), medication administration (i.e., antibiotic and antacid use), and C. difficile test result. Comorbid conditions were assessed by the Elixhauser Comorbidity Index components. HO-CDI was defined by positive laboratory test > 3 days after admission. Potential risk factors for HO-CDI were assessed using bivariate log binomial regression. Multivariable log binomial regression was conducted using significant (P < 0.1) covariates. Results At hospital 1 (academic), 314 of the 48,057 (0.65%) eligible patient admissions had HO- CDI; 41 of the 8,791 (0.47%) and 75 of the 29,211 (0.26%) of patient admissions at community hospitals 2 and 3, respectively, had HO-CDI. In multivariable analysis, Elixhauser Score was a significant risk factor for HO-CDI at all hospitals when controlling for antibiotic and antacid use; for every one-point increase in Elixhauser Score, there was an increased risk of HO-CDI of 1.27 (95% CI: 1.21, 1.32) at hospital 1, 1.38 (95% CI: 1.24, 1.54) at hospital 2, and 1.28 (95% CI: 1.10, 1.31) at hospital 3. Table 1 shows significant risk factors for HO-CDI for each hospital. When individual comorbidities were assessed in the regression analysis, fluid and electrolyte disorders were a significant risk factor for HO-CDI for all hospitals. Conclusion Laboratory values upon admission and electronically available patient comorbidities are important risk factors for HO-CDI and should be considered for future risk adjustment. Disclosures All authors: No reported disclosures.

scholarly journals Large overjet as a risk factor of traumatic dental injuries: a prospective longitudinal study

2020 ◽  
Vol 21 (1) ◽  
Author(s):  
Jean-Paul Schatz ◽  
Enrico Ostini ◽  
Magnus Hakeberg ◽  
Stavros Kiliaridis
Keyword(s):  
Risk Factor ◽  
Prospective Study ◽  
Significant Risk ◽  
Dental Trauma ◽  
Significant Risk Factor ◽  
Prospective Longitudinal Study ◽  
Increased Risk ◽  
Traumatic Dental Injuries ◽  
Dental Injuries ◽  
Prospective Longitudinal

Abstract Purpose The aim of this longitudinal prospective study was to evaluate if schoolchildren with large overjet experience a greater risk of traumatic dental injuries (TDI) compared to children with normal or small overjet. Methods A sample of children aged 6‑13 years was prospectively evaluated after 1 year: from the initial sample, data concerning trauma cases of 1413 children were collected to determine the number and types of injuries, the influence of overjet on the risk of TDI, and the relationships between trauma, age, and gender. Results The observed prevalence of trauma was higher for boys, with the largest frequency between the ages of 8 to 12 years: 67.9% of all injuries were hard tissue injuries and 32.1% subluxation and luxation injuries. Children with an overjet of 6 mm or more showed a statistically increased risk of getting trauma [RR = 3.37 with CI (1.81; 6.27)]. Conclusion In this prospective study, overjet stood out among variables as the most significant risk factor of TDI: an increased overjet of 6 mm or more had a major impact on the risk of trauma, which would speak in favor of early orthodontic correction of an increased overjet to reduce the prevalence of dental trauma

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