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Table 2 Inter-rater reliability results from the three measurement devices

From: A randomised cross over study to evaluate the performance of a novel ankle dorsiflexion measurement device for novice users

  ICC 95% CI P value SEM MDC
Lower bound Upper bound
D-Flex Knee flexion 0.95 0.87 0.98 < 0.01 0.88 2.44
Knee extension 0.88 0.71 0.95 < 0.01 1.04 2.99
Knee flexion (strap) 0.95 0.87 0.98 < 0.01 1.12 3.10
Knee extension (strap) 0.92 0.81 0.97 < 0.01 0.99 2.74
Goniometer Knee flexion 0.85 0.67 0.94 < 0.01 2.56 7.10
Knee extension 0.75 0.47 0.89 < 0.01 2.8 7.76
Inclinometer Knee flexion 0.41 0.03 0.71 0.32 5.53 15.3
Knee extension 0.71 0.41 0.87 < 0.01 4.15 11.5