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