Table 3.
Logistic regression analysis before and after propensity matching
| Variables | LL | OR | UL | P |
|---|---|---|---|---|
| GOS: Poor outcome | 2.7 | 4.4 | 7.4 | 0.001 |
| Tracheostomy | 3.1 | 5.3 | 9 | 0.001 |
| Vasospasm | 1.1 | 1.9 | 3.1 | 0.01 |
| Delayed cerebral ischaemia | 0.9 | 1.5 | 2.5 | 0.1 |
| Died | 1.6 | 3 | 5.6 | 0.001 |
| Matched data | ||||
| GOS: Poor outcome | 0.6 | 1.2 | 2.6 | 0.57 |
| Tracheostomy | 0.8 | 1.8 | 3.9 | 0.12 |
| Vasospasm | 0.7 | 1.4 | 2.9 | 0.34 |
| Delayed cerebral ischaemia | 0.4 | 0.8 | 1.7 | 0.56 |
| Died | 0.5 | 1.2 | 3.2 | 0.63 |
LL – Lower limit, OR – Odds ratio, UL – Upper limit, GOS – Glasgow Outcome Scale at discharge