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