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Table 2 Means, standard deviation and limits of agreement for the inter-tester reliability of knee joint angle measurement

From: The reliability of knee joint position testing using electrogoniometry

Measures Mean1(SD) (°) Mean2(SD) (°) Mean Diff(SD) (°) Lower limit (°) Upper limit (°)
Sitting      
Neutral knee 4.86(3.02) 4.41(2.46) 0.45(3.21) -5.97 6.87
Knee flexion 1 20.89(3.95) 19.94(3.87) 0.95(3.23) -5.51 7.41
Knee flexion 2 36.34(5.72) 32.87(4.94) 3.48(5.24) -7.00 13.96
Supine      
Neutral knee 2.55(1.89) 2.74(1.65) -0.18(2.30) -4.78 4.42
Knee flexion 1 18.91(4.05) 18.13(3.88) 0.78(3.76) -6.74 8.30
Knee flexion 2 29.69(4.52) 28.44(5.51) 1.25(5.48) -9.71 12.21
Standing      
Neutral knee 2.91(2.20) 2.59(2.03) 0.32(2.38) -4.44 5.08
Knee flexion 1 9.33(4.90) 11.87(3.98) -2.54(4.88) -12.30 7.22
Knee flexion 2 24.45(5.49) 28.31(5.16) -3.85(4.33) -12.51 4.18
  1. Mean1 = Mean of the measurements by the first tester, Mean2 = mean of the measurement by the second tester, SD = standard deviation Mean Diff = mean difference