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

Table 5 Agreement of CARDS classification among five observers

	The first assessment	The second assessment
Agreement among all 5 observers	50 (42.7%)	49 (41.9%)
Agreement among at least 3 observers	89 (76.1%)	86 (73.5%)

ISSN: 1749-799X