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Association of Classifications by Katsuura with Clinical Adjacent Segment Pathology requiring Surgery
| Control group (n=61) | CASP-S group (n=61) | |||
|---|---|---|---|---|
| Classification by Katsuura | Kyphosis (n=1) | 1 (1.6%) | 0 | p=0.033 |
| Lordosis (n=90) | 50 (82.0%) | 40 (65.6%) | ||
| Sigmoidosis (n=3) | 0 | 3 (4.9%) | ||
| Straight (n=28) | 10 (16.4%) | 18 (29.5%) | ||
Note: Fisher’s exact test was used.
