Logistic regression analysis of the occurrence of major complications in the propensity score-matched groups
| OR | 95% CI | p | |
|---|---|---|---|
| Treatment | |||
| Control | Reference | ||
| High-dose methylprednisolone | 1.66 | 1.23 to 2.24 | 0.001 |
| Sex | |||
| Male | Reference | ||
| Female | 0.57 | 0.38 to 0.86 | 0.007 |
| Age | |||
| ≤59 | Reference | ||
| 60–69 | 1.49 | 1.04 to 2.12 | 0.029 |
| 70–79 | 1.81 | 1.26 to 2.62 | 0.002 |
| ≥80 | 2.07 | 1.27 to 3.39 | 0.004 |
| Charlson Comorbidity Index | |||
| 1 | Reference | ||
| 2 | 1.41 | 1.04 to 1.92 | 0.027 |
| ≥3 | 1.95 | 1.26 to 3.02 | 0.003 |
| Japan Coma Scale at admission | |||
| 0 (alert) | Reference | ||
| 1–3 (drowsy) | 1.51 | 0.99 to 2.31 | 0.059 |
| 10–30 (somnolence) | 1.75 | 0.74 to 4.09 | 0.200 |
| 100–300 (coma) | 4.55 | 2.06 to 10.06 | <0.001 |
| Cervical spinal surgery | 1.95 | 1.44 to 2.64 | <0.001 |
| Hospital volume (per year) | 1.01 | 0.99 to 1.03 | 0.550 |