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Table 2 Intraobserver reliability of the French classification of lumbar DS

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 18
Type 3 30 37 37 35
Type 4 17 18 15 17
Type 5 10 10 14 12
Total 115 129 121 123
κ value 0.721 0.835 0.762 0.793