Table 3 Average weighted inter-observer kappa (IEK, time point t1 and t2)

Tendonosis (IEK)

Rater 1, rater 2, t1

81.5%

0.74

0.07

(0.59, 0.88)

<0.0001

Rater 1, rater 3, t1

67.7%

0.55

0.09

(0.38, 0.72)

<0.0001

Rater 2, rater 3, t1

81.5%

0.72

0.08

(0.57, 0.87)

<0.0001

Rater 1, rater 2, t2

80.0%

0.73

0.07

(0.60, 0.87)

<0.0001

Rater 1, rater 3, t2

76.9%

0.65

0.08

(0.49, 0.82)

<0.0001

Rater 2, rater 3, t2

80.0%

0.73

0.07

(0.59, 0.87)

<0.0001

Total range (t1, t2)

68%–82%

0.55–0.74

Mean (t1, t2)

78%

0.69

Tear thickness (IEK)

Rater 1, rater 2, t1

66.2%

0.69

0.06

(0.57, 0.81)

<0.0001

Rater 1, rater 3, t1

67.7%

0.73

0.06

(0.61, 0.84)

<0.0001

Rater 2, rater 3, t1

72.3%

0.78

0.05

(0.68, 0.87)

<0.0001

Rater 1, rater 2, t2

75.4%

0.80

0.05

(0.71, 0.89)

<0.0001

Rater 1, rater 3, t2

69.2%

0.74

0.06

(0.68, 0.85)

<0.0001

Rater 2, rater 3, t2

78.5%

0.84

0.04

(0.77, 0.92)

<0.0001

Total range (t1, t2)

66%–79%

0.69–0.84

Mean (t1, t2)

72%

0.76

AP extent (IEK)

Rater 1, rater 2, t1

61.5%

0.57

0.07

(0.43, 0.71)

<0.0001

Rater 1, rater 3, t1

61.5%

0.57

0.07

(0.42, 0.72)

<0.0001

Rater 2, rater 3, t1

78.5%

0.80

0.05

(0.70, 0.90)

<0.0001

Rater 1, rater 2, t2

78.5%

0.77

0.06

(0.65, 0.89)

<0.0001

Rater 1, rater 3, t2

64.6%

0.64

0.07

(0.51, 0.77)

<0.0001

Rater 2, rater 3, t2

75.4%

0.79

0.05

(0.70, 0.89)

<0.0001

Total range (t1, t2)

62%–79%

0.57–0.80

Mean (t1, t2)

70%

0.69

Total score (IEK)

Rater 1, rater 2, t1

38.5%

0.65

0.05

(0.55, 0.75)

<0.0001

Rater 1, rater 3, t1

36.9%

0.63

0.05

(0.52, 0.73)

<0.0001

Rater 2, rater 3, t1

61.5%

0.80

0.04

(0.72, 0.89)

<0.0001

Rater 1, rater 2, t2

61.5%

0.80

0.04

(0.72, 0.88)

<0.0001

Rater 1, rater 3, t2

52.3%

0.71

0.05

(0.61, 0.81)

<0.0001

Rater 2, rater 3, t2

58.5%

0.80

0.04

(0.73, 0.88)

<0.0001

Total range (t1, t2)

39%–62%

0.63–0.80

Mean (t1, t2)

52%

0.73