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Table 4 Inter- and Intraobserver Reliability of the Different Measurements

From: The morphology of patella changed significantly after soft tissue correction for children with recurrent patella dislocation

Intraclass Correlation Coefficient (95% CI)
Measurements   Before surgery Last follow-up
Diameter Intraobserver Reliability 0.986 (0.974–0.992) 0.935 (0.625–0.978)
Interobserver Reliability 0.924 (0.874–0.956) 0.893 (0.829–0.937)
Thickness Intraobserver Reliability 0.982 (0.967–0.990) 0.981 (0.966–0.990)
Interobserver Reliability 0.931 (0.887–0.960) 0.949 (0.901–0.973)
Wiberg-angle Intraobserver Reliability 0.978 (0.942–0.990) 0.966 (0.935–0.981)
Interobserver Reliability 0.900 (0.841–0.940) 0.913 (0.863–0.949)
Wiberg-index Intraobserver Reliability 0.912 (0.754–0.961) 0.899 (0.535–0.963)
Interobserver Reliability 0.852 (0.771–0.911) 0.827 (0.729–0.896)
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