Skip to main content

Table 3 The results of the inter-tester reliability evaluation of the external measurement device presented in means and Standard Deviations given in degrees (M 1 = measurement occasion one and M 2 = measurement occasion 2), and calculated with Intraclass Correlation Coefficient2,1 (ICC2,1), 95% Confidence Interval (CI) of ICC and 95% CI between M 1 and M 2.

From: Measurements of knee rotation-reliability of an external device in vivo

Angle/applied torque M 1 m ± SD M 2 m ± SD ICC2,1 95% CI of ICC 95% CI of M 1 and M 2
90°/3 Nm 30 ± 6 33 ± 7 0.49 0.09-0.76 -6.4-0.2
90°/6 Nm 53 ± 7 54 ± 8 0.87 0.71-0.95 -2.8-0.3
90°/9 Nm 70 ± 10 72 ± 10 0.85 0.68-0.94 -4.6-0.6
90°/End-feel 67 ± 8 66 ± 9 0.74 0.44-0.89 -1.7-3.8
60°/3 Nm 37 ± 7 38 ± 6 0.75 0.47-0.89 -3.5-0.9
60°/6 Nm 56 ± 8 58 ± 9 0.83 0.62-0.93 -3.6-0.4
60°/9 Nm 72 ± 10 74 ± 10 0.84 0.63-0.93 -3.7-0.1
60°/End-feel 71 ± 10 71 ± 9 0.77 0.51-0.90 -3.7-3.1
30°/3 Nm 28 ± 7 33 ± 8 0.52 0.10-0.78 -7.9- -2.1
30°/6 Nm 52 ± 10 55 ± 10 0.61 0.25-0.82 -6.8-0.2
30°/9 Nm 72 ± 11 74 ± 12 0.69 0.34-0.87 -7.1-2.4
30°/End-feel 73 ± 12 74 ± 10 0.70 0.36-0.87 -6.0-2.5
  1. Calculations were made at three different flexion angles (90°, 60° and 30°) with four different applied torques (3, 6 and 9 Nm as well as the examiner's apprehension of end-feel) of the total internal-external knee joint rotation