Table 4

 Sensitivity to change calculated using the standardised response mean (SRM) obtained by both readers for each of the four scoring methods and 95% CI jackknife SRM

Scoring methodSRM of reader 1(95% CI jackknife; %)SRM of reader 2(95% CI jackknife, %)
KL, Kellgren-Lawrence; SRM, standardised response mean.
Global score0.17 (0.00 to 0.37)0.27 (0.06 to 0.47)
KL0.17 (0.00 to 0.34)0.24 (0.05 to 0.42)
Kallman0.26 (0.05 to 0.46)0.29 (0.00 to 0.51)
Verbruggen0.18 (0.00 to 0.3600.27 (0.07 to 0.45)