Intra- and interobserver measurement variability of tibial plateau slope from lateral radiographs in dogs |
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| Authors: | Caylor K B Zumpano C A Evans L M Moore R W |
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| Institution: | All Pets Veterinary Hospital, Rancho Palos Verdes, California 90275, USA. |
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| Abstract: | Measurement of the tibial plateau slope from lateral hind-limb radiographs is a preoperative requirement when performing tibial plateau leveling osteotomy (TPLO) for repair of the cruciate-deficient stifle in dogs. Two measurements of the tibial plateau slope in 312 stifles of 156 dogs were taken from lateral radiographs by each of three observers with varying degrees of experience in the measurement method. Intraobserver variability was +/-3.4 degrees, and interobserver variability was +/-4.8 degrees. No significant differences were identified for the intraobserver measurements; however, in evaluating interobserver variability, a significant difference was found between the inexperienced observer and the two experienced observers. |
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