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Validation of computerized diagnostic information in a clinical database from a national equine clinic network.

Penell, JC, Bonnett, BN, Pringle, J and Egenvall, A (2009) Validation of computerized diagnostic information in a clinical database from a national equine clinic network. Acta Vet Scand, 51.

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Abstract

BACKGROUND: Computerized diagnostic information offers potential for epidemiological research; however data accuracy must be addressed. The principal aim of this study was to evaluate the completeness and correctness of diagnostic information in a computerized equine clinical database compared to corresponding hand written veterinary clinical records, used as gold standard, and to assess factors related to correctness. Further, the aim was to investigate completeness (epidemiologic sensitivity), correctness (positive predictive value), specificity and prevalence for diagnoses for four body systems and correctness for affected limb information for four joint diseases. METHODS: A random sample of 450 visits over the year 2002 (nvisits=49,591) was taken from 18 nation wide clinics headed under one company. Computerized information for the visits selected and copies of the corresponding veterinary clinical records were retrieved. Completeness and correctness were determined using semi-subjective criteria. Logistic regression was used to examine factors associated with correctness for diagnosis. RESULTS: Three hundred and ninety six visits had veterinary clinical notes that were retrievable. The overall completeness and correctness were 91% and 92%, respectively; both values considered high. Descriptive analyses showed significantly higher degree of correctness for first visits compared to follow up visits and for cases with a diagnostic code recorded in the veterinary records compared to those with no code noted. The correctness was similar regardless of usage category (leisure/sport horse, racing trotter and racing thoroughbred) or gender.For the four body systems selected (joints, skin and hooves, respiratory, skeletal) the completeness varied between 71% (respiration) and 91% (joints) and the correctness ranged from 87% (skin and hooves) to 96% (respiration), whereas the specificity was >95% for all systems. Logistic regression showed that correctness was associated with type of visit, whether an explicit diagnostic code was present in the veterinary clinical record, and body system. Correctness for information on affected limb was 95% and varied with joint. CONCLUSION: Based on the overall high level of correctness and completeness the database was considered useful for research purposes. For the body systems investigated the highest level of completeness and correctness was seen for joints and respiration, respectively.

Item Type: Article
Authors :
NameEmailORCID
Penell, JCj.penell@surrey.ac.ukUNSPECIFIED
Bonnett, BNUNSPECIFIEDUNSPECIFIED
Pringle, JUNSPECIFIEDUNSPECIFIED
Egenvall, AUNSPECIFIEDUNSPECIFIED
Date : 2009
Identification Number : https://doi.org/10.1186/1751-0147-51-50
Uncontrolled Keywords : Animals, Databases, Factual, Diagnosis, Computer-Assisted, Female, Horse Diseases, Horses, Logistic Models, Male, Reproducibility of Results, Sensitivity and Specificity, Sweden
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:19
Last Modified : 17 May 2017 10:19
URI: http://epubs.surrey.ac.uk/id/eprint/827288

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