From: Comparison of the French and CARDS classifications for lumbar degenerative spondylolisthesis: reliability and validity
Cases in agreement between first and second observation
Grader 1
Grader 2
Grader 3
Grader 4
Type 1
40
44
39
41
Type 2
18
20
16
Type 3
30
37
35
Type 4
17
15
Type 5
10
14
12
Total
115
129
121
123
κ value
0.721
0.835
0.762
0.793