Table 3 Intra-examiner agreement among spinal surgeons

1

First

11.77

6.42

0.946

0.890 - 0.974

1.93

0.91

Second

12.37

6.56

2

First

15.40

8.18

0.903

0.805 - 0.953

3.43

1.36

Second

16.50

8.51

3

First

8.03

6.01

0.594

0.302 - 0.784

4.20

3.36

Second

8.70

5.88

4

First

8.47

5.62

0.966

0.922 - 0.985

1.40

0.50

Second

9.07

5.75

5

First

14.10

7.27

0.837

0.686 - 0.919

3.40

2.28

Second

13.70

7.03

1

First

12.77

7.02

0.978

0.950 - 0.990

1.17

0.83

Second

12.20

6.69

2

First

17.00

9.46

0.916

0.801 - 0.962

3.30

1.56

Second

15.37

8.05

3

First

10.23

6.88

0.802

0.627 - 0.900

3.60

1.79

Second

9.17

5.76

4

First

9.40

6.48

0.982

0.961 - 0.991

0.97

0.72

Second

9.03

6.03

5

First

14.73

7.86

0.867

0.687 - 0.940

3.33

1.77

Second

12.93

6.46