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Comparison between combined classifications of Chiari-like malformation (CM) and syringomyelia (SM).
| Combined classification | Compared to | OR (95% CI) | p-value |
|---|---|---|---|
| CM abnormal/SM abnormal | CM normal/SM normal | 4.9 (3.2–7.6) | p < 0.0001 |
| CM normal/SM abnormal | CM normal/SM normal | 4.4 (1.9–10.0) | p = 0.0014 |
| CM abnormal/SM normal | CM normal/SM normal | 1.5 (1.1–2.0) | p = 0.0434 |
Odds ratios {OR [95% confidence interval (CI)]} for having owner-reported signs (ORCS).
