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Table 2 Agreement of SDSG classification among five observers

From: Comparison of SDSG and CARDS classifications for L5/S1 lumbar degenerative spondylolisthesis: an independent inter- and intra-observer agreement study

 

The first assessment

The second assessment

Agreement among all 5 observers

58 (49.6%)

61 (52.1%)

Agreement among at least 3 observers

101 (86.3%)

103 (88.0%)