Table 3.
Univariable (unadjusted) odds ratios for the outcomes (A) return of spontaneous circulation (ROSC) and (B) 30-day Clinical Performance Category (CPC) 1 and 2 indicating favorable neurological survival.
| Characteristic | ROSC (Yes vs. No) | 30-day CPC (1–2 vs. 3–5) | ||||||
|---|---|---|---|---|---|---|---|---|
| N | OR | CI 95% | p | N | OR | CI 95% | p | |
| Age (years) | 195 | 1.01 | 0.99, 1.03 | 0.5 | 111 | 0.99 | 0.96, 1.02 | 0.6 |
| ASA physical status | 195 | 111 | ||||||
| ASA I-III | – | – | – | – | ||||
| ASA IV-V | 0.11 | 0.02, 0.37 | 0.003 | 0.34 | 0.09, 1.06 | 0.079 | ||
| Cardiac and vascular surgery | 195 | 111 | ||||||
| No | – | – | – | – | ||||
| Yes | 0.37 | 0.17, 0.81 | 0.013 | 0.78 | 0.27, 2.37 | 0.7 | ||
| Initial rhythm during cardiac arrest | 162 | 90 | ||||||
| Non-shockable | – | – | – | – | ||||
| Shockable | 0.48 | 0.19, 1.19 | 0.10 | 0.72 | 0.21, 2.88 | 0.6 | ||
| Duration of CPR (min) | 192 | 0.94 | 0.92, 0.97 | <0.001 | 109 | 0.97 | 0.93, 1.02 | 0.2 |
| Defibrillation during CPR | 195 | 111 | ||||||
| No | – | – | – | – | ||||
| Yes | 0.67 | 0.31, 1.48 | 0.3 | 1.07 | 0.34, 4.11 | >0.9 | ||
ASA, American Society of Anesthesiologists; CI, confidence interval; CPC, clinical performance category; CPR, cardiopulmonary resuscitation; OR, odds ratio.