Descriptive statistics and the pattern of horse racing in New Zealand. 1. Thoroughbred racing

2016 ◽  
Vol 56 (1) ◽  
pp. 77 ◽  
Author(s):  
Charlotte F. Bolwell ◽  
Chris W. Rogers ◽  
Erica K. Gee ◽  
Sarah M. Rosanowski
Keyword(s):  
New Zealand ◽  
Temporal Trends ◽  
Median Number ◽  
Northern Region ◽  
Baseline Data ◽  
Interquartile Range ◽  
Descriptive Statistics ◽  
Horse Racing ◽  
Thoroughbred Racing

The aim of the present study was to describe the pattern of flat and jump races and starts, including temporal trends, in Thoroughbred racing in New Zealand. Data on all race starts between 1 August 2005 and 31 July 2011 were supplied by New Zealand Thoroughbred Racing. Descriptive statistics were used to describe the data at both race and start level, stratified by flat and jumps races. In total, 96% of races run were flat races and most races and starts occurred in the Northern region. There was an even distribution of flat races across season of the year, whereas most (60%; 514/863) jumps races were run in winter followed by autumn (21%; 183/863), with no races run in summer. Irrespective of region or season, most flat races were run on Good (37%; 7505/20 091) tracks and most (45%; 384/863) jumps races were run on Heavy tracks. There was no change in the number of horses per race or starts per horse across the years studied, and the median number of starts per trainer was 14 (interquartile range 6–38) for flat races and 3 (interquartile range 2–6) for jumps races. The results showed there is a relatively consistent product offered for Thoroughbred racing in New Zealand, which is primarily focussed on flat racing. The study provided baseline data on the pattern of Thoroughbred racing in New Zealand, which can be used as background for future industry-related studies.

Descriptive statistics and the pattern of horse racing in New Zealand. 2. Harness racing

2016 ◽  
Vol 56 (1) ◽  
pp. 82 ◽  
Author(s):  
Charlotte F. Bolwell ◽  
Chris W. Rogers ◽  
Erica K. Gee ◽  
Sarah M. Rosanowski
Keyword(s):  
New Zealand ◽  
Temporal Trends ◽  
Median Number ◽  
Baseline Data ◽  
Southern Region ◽  
Interquartile Range ◽  
Descriptive Statistics ◽  
Horse Racing ◽  
Harness Racing ◽  
Over Time

The aim of the present study was to describe the pattern of pacing and trotting races and starts, including temporal trends, in Harness racing in New Zealand. Data on all race starts between 1 August 2005 and 31 July 2010 were supplied by Harness Racing New Zealand. Descriptive statistics were used to describe the data at both race and starts level, stratified by pacing and trotting races. In total, 78% of races run were pacing races and most races occurred in the Southern region. The start type varied by race, with most pacing races run with mobile starts and trotting races with standing starts. Regardless of race type most races were run on all-weather tracks and were run in the summer or autumn. There was little change in the median number of starts per horse over time and the median number of starters per trainer per year was 16 (interquartile range 7–35, max. 612) and 12 (interquartile range 5–24, max. 235) for pacing and trotting races, respectively. Differences in track surfaces, gait, region and drivers between the Standardbred and the Thoroughbred industry suggests a need for data specific to the Harness racing industry in New Zealand. This study provided baseline data on the pattern of Standardbred racing and highlighted factors unique to the Harness racing industry in New Zealand.

scholarly journals Jockey Career Length and Risk Factors for Loss from Thoroughbred Race Riding

2020 ◽  
Vol 12 (18) ◽  
pp. 7443
Author(s):  
Kylie Legg ◽  
Darryl Cochrane ◽  
Erica Gee ◽  
Chris Rogers
Keyword(s):  
Median Number ◽  
Daily Basis ◽  
Descriptive Statistics ◽  
First Year ◽  
Career Longevity ◽  
Career Length ◽  
Kaplan Meier ◽  
Physiological Capacity ◽  
Body Weights ◽  
Thoroughbred Racing

Professional thoroughbred racing jockeys repeatedly work close to physiological capacity during races, whilst maintaining low body weights, on a daily basis with no off-season. The effects of this on their career length is unknown. The aim of this study was to examine the career lengths and reasons for loss from the industry of 674 jockeys and apprentices who rode over 14 racing seasons and 421,596 race day starts in New Zealand. Descriptors were compared between jockeys in short (1–2 years), middle (3–9 years) and long (>10 years) career cohorts with descriptive statistics and Kaplan–Meier survival curves. The median career length for jockeys was 2 years (IQR 1–6). Long career cohort jockeys (11%) had lower carried weights (IQR 56–57 kg, p = 0.03), 40 times the median number of rides per season (248, IQR 61–434, p < 0.001), half the rate per 1000 rides of falling (1.1, 95% CI 1.0–1.2, p = 0.009) and 1.3 times the rate of winning (100, 95% CI 99–101, p < 0.01) than jockeys in the short career cohort. Jockeys who rode over 200 races per season had careers three times longer than jockeys with fewer races per season (p < 0.001). Half of the 40% of jockeys who failed to complete their apprenticeship were lost from the industry in their first year of race riding. In conclusion, most jockeys had short careers where the workload of a jockey and their ability to obtain rides had greater impact on career longevity than their performance.

scholarly journals Impact of cardiac resynchronisation therapy on burden of hospitalisations and survival: a retrospective observational study in the Northern Region of New Zealand

BMJ Open ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. e025634
Author(s):  
Khang-Li Looi ◽  
Nigel Lever ◽  
Andrew Gavin ◽  
Robert Doughty
Keyword(s):  
New Zealand ◽  
Observational Study ◽  
Length Of Hospital Stay ◽  
Cardiac Resynchronisation Therapy ◽  
Median Number ◽  
Northern Region ◽  
Retrospective Observational Study ◽  
Device Implantation ◽  
Cardiac Resynchronisation ◽  
Resynchronisation Therapy

ObjectiveCardiac resynchronisation therapy (CRT) devices have been shown to improve heart failure (HF) symptoms, survival and improve quality of life (QoL). We evaluated the overall impact of CRT on recurrent hospitalisations and survival in real-world patients with HF.DesignRetrospective observational study.SettingNorthern region of New Zealand.ParticipantsPatients with HF who underwent CRT device implantation in between 2008 and 2014 were followed up for 1 year.InterventionsCRT.Primary and secondary outcomes measuredSurvival, all-cause hospitalisations, length of stay, from which days alive and out of hospital (DAOH) were calculated.Results177patients were included, of whom eight died (4.5%) within 1 year of follow-up. Pre-CRT implantation, 83% of all patients had been hospitalised for a total 248 hospitalisation events. Following CRT, 47 patients (27%) were readmitted to hospital within 1 year (total of 98 admissions; p<0.01 compared with pre-device implant). Length of hospital stay was significantly shorter than in the year prior to CRT implantation at a median of 4 (IQR 2–6) vs 7 (IQR 3.5–10.5) days (p=0.03). An increase in the median number of DAOH was observed from 362 (IQR 355–364) to 365 (IQR 364–365) (p<0.01) after CRT implant. The improvement in DAOH was seen regardless of gender and type of CRT devices. Greater DAOH was also seen in those with non-ischaemic cardiomyopathy and Caucasians.ConclusionAfter CRT implant, patients with HF have greater DAOH with reduction of total hospitalisation and fewer hospital days. These results support CRT devices use as a treatment option for appropriate HF patients. DAOH represents an easily measured, patient-centred endpoint that may reflect effectiveness of interventions in future CRT studies.

scholarly journals Simulating the impact of vaccination rates on the initial stages of a COVID-19 outbreak in New Zealand (Aotearoa) with a stochastic model

2021 ◽  
Author(s):  
Leighton M Watson
Keyword(s):  
New Zealand ◽  
Stochastic Model ◽  
Process Model ◽  
Branching Process ◽  
Total Population ◽  
Median Number ◽  
Vaccination Rate ◽  
Vaccination Rates ◽  
The Impact ◽  
Different Levels

Aim: The August 2021 COVID-19 outbreak in Auckland has caused the New Zealand government to transition from an elimination strategy to suppression, which relies heavily on high vaccination rates in the population. As restrictions are eased and as COVID-19 leaks through the Auckland boundary, there is a need to understand how different levels of vaccination will impact the initial stages of COVID-19 outbreaks that are seeded around the country. Method: A stochastic branching process model is used to simulate the initial spread of a COVID-19 outbreak for different vaccination rates. Results: High vaccination rates are effective at minimizing the number of infections and hospitalizations. Increasing vaccination rates from 20% (approximate value at the start of the August 2021 outbreak) to 80% (approximate proposed target) of the total population can reduce the median number of infections that occur within the first four weeks of an outbreak from 1011 to 14 (25th and 75th quantiles of 545-1602 and 2-32 for V=20% and V=80%, respectively). As the vaccination rate increases, the number of breakthrough infections (infections in fully vaccinated individuals) and hospitalizations of vaccinated individuals increases. Unvaccinated individuals, however, are 3.3x more likely to be infected with COVID-19 and 25x more likely to be hospitalized. Conclusion: This work demonstrates the importance of vaccination in protecting individuals from COVID-19, preventing high caseloads, and minimizing the number of hospitalizations and hence limiting the pressure on the healthcare system.

scholarly journals Preliminary Examination of the Biological and Industry Constraints on the Structure and Pattern of Thoroughbred Racing in New Zealand over Thirteen Seasons: 2005/06–2017/18

Animals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2807
Author(s):  
Kylie A. Legg ◽  
Erica K. Gee ◽  
Darryl J. Cochrane ◽  
Chris W. Rogers
Keyword(s):  
Risk Factors ◽  
New Zealand ◽  
Economic Performance ◽  
Ecological Model ◽  
Intervention Strategies ◽  
Significant Shift ◽  
Ageing Population ◽  
Preliminary Examination ◽  
Thoroughbred Racing ◽  
Key Industry

This study aimed to examine thirteen seasons of flat racing starts (n = 388,964) in the context of an ecological system and identify metrics that describe the inherent characteristics and constraints of the New Zealand Thoroughbred racing industry. During the thirteen years examined, there was a 2–3% per year reduction in the number of races, starts and number of horses. There was a significant shift in the racing population with a greater number of fillies (aged 2–4 years) having a race start, and subsequent longer racing careers due to the inclusion of one more racing preparation post 2008 (p < 0.05). Additionally, there was an increasingly ageing population of racehorses. These changes resulted in more race starts in a career, but possibly because of biological constraints, there was no change in the number of race starts per season, starts per preparation, or days spelling between preparations (p < 0.05). There was no change in the proportion of horses having just one race start (14% of new entrants), indicating that the screening for suitability for a racing career remained consistent. These data identify key industry parameters which provide a basis for future modelling of intervention strategies to improve economic performance and reduce horse injury. Consideration of the racing industry as a bio-economic or ecological model provides framework to test how the industry may respond to intervention strategies and signal where changes in system dynamics may alter existing risk factors for injury.

Adalimumab Significantly Reduces the Recurrence Rate of Anterior Uveitis in Patients with Ankylosing Spondylitis

2014 ◽  
Vol 41 (9) ◽  
pp. 1843-1848 ◽  
Author(s):  
J. Christiaan van Denderen ◽  
Ingrid M. Visman ◽  
Michael T. Nurmohamed ◽  
Maria S.A. Suttorp-Schulten ◽  
Irene E. van der Horst-Bruinsma
Keyword(s):  
Ankylosing Spondylitis ◽  
Recurrence Rate ◽  
Outpatient Clinic ◽  
Anterior Uveitis ◽  
Reduction Rate ◽  
Median Number ◽  
Interquartile Range ◽  
Patient History ◽  
Adalimumab Treatment

Objective.To investigate whether use of adalimumab decreases the frequency of attacks of anterior uveitis (AU) in patients with ankylosing spondylitis (AS).Methods.Consecutive patients with AS, visiting an outpatient clinic and treated for at least 12 weeks with adalimumab, were enrolled. The number of attacks of AU in the year before start and during treatment were assessed by patient history and ophthalmological controls.Results.In the 77 patients a total of 52 AU attacks occurred in the year before baseline (68 attacks per 100 patient-yrs), whereas during adalimumab treatment 19 attacks were seen (14 per 100 patient-yrs; reduction rate 80%). Twenty-six patients with AU in the year before start of adalimumab treatment had recurrent attacks, with a median number of 2.0 AU attacks per year [interquartile range (IQR) 1.00–3.00], whereas during treatment this decreased to 10 patients with a median number of 0.56 attacks per year (IQR 0.30–0.75). Hence, the number of attacks per year decreased by 72% (p = 0.000).Conclusion.In patients with AS, a significant reduction in the number of AU attacks, as well as in the number of attacks per patient, was observed during adalimumab treatment.

Abstract TMP65: Depth of Hospital Participation in Telestroke is Associated with Faster Door-to-Needle Time for Stroke Patients

Stroke ◽  
2017 ◽  
Vol 48 (suppl_1) ◽  
Author(s):  
Arianna Moreno ◽  
Khawja A Saddiqui ◽  
Anand Viswanathan ◽  
Cynthia Whitney ◽  
Natalia Rost ◽  
...  
Keyword(s):  
Temporal Trends ◽  
Predictor Variable ◽  
Median Number ◽  
Hospital Level ◽  
Time Data ◽  
Frequent Contact ◽  
Frequent Use ◽  
The Relationship ◽  
Median Hospital ◽  
Primary Predictor

Background: Telestroke increases tPA use at spoke hospitals, yet its effect on door-to-needle (DTN) times is unknown. More frequent use of telestroke may introduce delays in DTN time or may improve it as practice leads to streamlined processes. Hypothesis: We hypothesize that spoke hospitals with more frequent contact to a hub hospital will have shorter DTN times than those with less frequent contact. Methods: We identified 367 patients treated with tPA by conventional or telestroke methods in the MGH Telestroke network for whom date and time data were available. Strength of the spoke-MGH connection was the primary predictor variable, defined as the number of all telestroke consults (tPA and non-tPA) done at each spoke hospital during the year of the patient’s presentation. Patient-level regression analyses examined the relationship between DTN time and spoke-MGH connection. We controlled for hospitals’ tPA volume, temporal trends, and clustering within hospitals. Results: Sixteen spoke hospitals contributed data on 367 tPA-treated patients from 2006-2016. Hospitals treated a median of 12.5 patients with tPA (IQR 7-33.5). Median hospital-level DTN was 78.8 minutes (IQR 71.3-85). Median number of telestroke consults per year was 37 (IQR 15-60). Among all 367 patients, median DTN was 76 minutes (IQR 61-98), and 24.8% of patients were treated within 60 minutes (n=91). Strength of connection between the spoke and hub hospital was significantly associated with faster DTN time for patients (1.8 minute gain per 10 additional consults, p<0.001) and increased likelihood of tPA delivery within 60 minutes (OR 1.01, p<0.001). Conclusion: More frequent contact between a telestroke spoke and its hub was associated with faster tPA delivery for patients, even after accounting for hospitals’ tPA volume and secular trends in DTN improvements. This highlights added benefits of increased utilization of telestroke.

78 Temporal trends in the management of women diagnosed with DCIS of the breast in australia and new zealand

2019 ◽  
Author(s):  
Sofia Omling ◽  
Rachel Farber ◽  
Alexandra Barratt ◽  
Nehmat Houssami ◽  
Gemma Jacklyn ◽  
...  
Keyword(s):  
New Zealand ◽  
Temporal Trends

scholarly journals Promotion of Dental Pulp Wound Healing in New Zealand White Rabbits’ Teeth by Thai Propolis Product

2018 ◽  
Vol 36 (1) ◽  
pp. 17-24 ◽  
Author(s):  
Nattriya Likitpongpipat ◽  
Somboon Sangmaneedet ◽  
Poramaporn Klanrit ◽  
Rajda Noisombut ◽  
Suttichai Krisanaprakornkit ◽  
...  
Keyword(s):  
Wound Healing ◽  
New Zealand ◽  
Calcium Hydroxide ◽  
Median Number ◽  
Positive Control ◽  
Negative Control ◽  
Histological Evaluation ◽  
Dentinal Tubules ◽  
Pulp Capping ◽  
New Zealand White Rabbits

This study examined and compared wound healing between Thai propolis product and calcium hydroxide paste as pulp-capping agents after partial pulpotomy in New Zealand white rabbits. Forty incisor teeth from 10 rabbits were treated. Thirty-six teeth received class V cavity preparations with partial pulpotomy and application of either propolis or calcium hydroxide paste. Similar cavity preparations were performed in 2 teeth without any capping material as a positive control, whereas 2 teeth without the cavity preparation served as a negative control. Histological evaluation showed that both groups had dentin bridge formation. Dentinal tubules in the dentin bridge were more orderly arranged in the Thai propolis group than in the calcium hydroxide group. Wound healing and the median number of hyperemic blood vessels were not statistically significant different between the 2 groups. Thai propolis product may be used as a pulp-capping agent.

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