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Table 5 Intraobserver and interobserver reliability assessment of Schatzker and AO/OTA classifications, tibial widening ratio and femoral displacement ratio

From: Clinical and radiographic predictors of acute compartment syndrome in the treatment of tibial plateau fractures: a retrospective cohort study

 

Intraobserver reliability

ICC (95% CI)

Interobserver reliability

ICC (95% CI)

Schatzker

0.972 (0.940–0.987)

0.917 (0.830–0.960)

AO/OTA

0.975 (0.948–0.988)

0.868 (0.738–0.936)

TWR

0.986 (0.970–0.993)

0.953 (0.902–0.978)

FDR

0.929 (0.854–0.966)

0.930 (0.857–0.967)

  1. ICC intraclass correlation coefficient; values <0 represent poor agreement, values between 0.0 and 0.20 slight agreement, values between 0.21 and 0.40 fair agreement, values between 0.41 and 0.60 moderate agreement, values between 0.61 and 0.80 substantial or good agreement, and values between 0.81 and 1.00 almost perfect agreement. 95% CI 95% confidence interval, Schatzker Schatzker classification, AO/OTA AO/OTA classification, TWR tibial widening ratio, FDR femoral displacement ratio