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Horse‐, rider‐, venue‐ and environment‐related risk factors for elimination from F édération E questre I nternationale endurance rides due to lameness and metabolic reasons
Author(s) -
Nagy A.,
Murray J. K.,
Dyson S. J.
Publication year - 2014
Publication title -
equine veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.82
H-Index - 87
eISSN - 2042-3306
pISSN - 0425-1644
DOI - 10.1111/evj.12170
Subject(s) - lameness , horse , confidence interval , odds ratio , logistic regression , medicine , zoology , surgery , biology , paleontology
Summary Reasons for performing the study There is limited information on risk factors for elimination from endurance rides. Objectives To assess risk factors for elimination for lameness and metabolic reasons from F édération E questre I nternationale ( FEI ) endurance rides of 80–160 km distance. Study design Unmatched case–control. Methods Venue‐, horse‐ and rider‐related data were collected from the FEI website. Data on weather conditions and terrain were collected at the venue. Univariable and multivariable logistic regression analyses were used to assess risk factors for elimination for lameness and metabolic reasons, respectively. Results Multivariable logistic regression on 1435 horse starts revealed that the venue was significantly associated with elimination for lameness (P = 0.013). The horse's previous experience at a greater distance than the current ride (odds ratio [ OR ] = 0.82, 95% confidence interval [ CI ] 0.71–0.95, P = 0.008) and >90 days elapsed since the last FEI ride ( OR = 0.78, 95% CI 0.62–0.99, P = 0.044) significantly reduced the risk of elimination for lameness. In the multivariable model for elimination for metabolic reasons, the venue (P = 0.011), increasing number of started horses ( OR = 1.008, 95% CI 1.00–1.01, P = 0.001) and deep sand or soil on the track ( OR = 1.98, 95% CI 1.17–3.35, P = 0.001) significantly increased the risk of elimination for metabolic reasons. Conclusions Reducing the frequency of racing may contribute to decreased risk of elimination for lameness. Competing in deep sand or soil may contribute to exhaustion, leading to elimination for metabolic reasons. Eliminations are likely to be the end result of a complex process, and not every aspect was or can be measured. Further studies with a larger number of horse starts and assessment of variables that could not be measured in this study may identify additional risk factors that can be modified.