Table 6 Statistical analysis of different models

1

LR-full model

85.67

56

2

LR-Spherical model

85.14

58

1–2

0.763

3

LR-Surgeon’s Experience removed

92.78

59

1–3

0.068

2–3

0.005

4

LR-GMD Spherical

87.17

62

2–4

0.845

5

LR-PMD Spherical

86.62

62

2–5

0.915

Surgeon Group 1 data set

6

LR-Surgeon 1

77.18

52

7

LR-GMD Spherical Surgeon 1

77.48

55

6–7

0.960

8

LR-PMD Spherical Surgeon 1

76.04

55

6–8

0.767

Surgeon Group 2 data set

9

LR-Surgeon 2

40.21

23

10

LR-GMD Spherical Surgeon 2

39.40

26

9–10

0.847

11

LR-PMD Spherical Surgeon 2

41.06

26

9–11

0.837