Univariable logistic regression analysis
| Variable | OR (95% CI) | P Value |
|---|---|---|
| Sex | ||
| Male | Reference | |
| Female | 3.3 (1.5–5.1) | <.001 |
| Cervicomedullary involvement | ||
| Absent | Reference | |
| Present | 1.6 (0.2–3.0) | .02 |
| Bright spotty lesion | ||
| Negative | Reference | |
| Positive | 3.4 (1.3–5.6) | .002 |
| Cord expansion ratio | ||
| ≤1.4 | Reference | |
| >1.4 | 2.1 (0.5–3.7) | .01 |