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Table 5 Inter-rater reliability (3 raters): Marker Method v Line of Femur Method

From: Validity and reliability of using photography for measuring knee range of motion: a methodological study

  Mp Mr ICC
Marker Method
Flexion 1310.1 2.36 0.995
Extension 351.3 2.03 0.983
Line of Femur Method
Flexion 1376.6 3.53 0.992
Extension 370.9 14.48 0.891
  1. Mp, mean square between patients; Mr, mean square of residuals; ICC, intra-class correlation