Table 3.
The results of the regression analysis for the predictors of ROSC and CPR–discharge survival
| CPR outcomes | Independent variables | B | Std. Error | Wald | df | Sig. | Exp (B) | 95% CI |
|---|---|---|---|---|---|---|---|---|
| ROSC | Baseline rhythm (Asystole)† | 2.260 | 0.629 | 12.904 | 1 | < 0.001* | 9.581 | 2.792–32.879 |
| Baseline rhythm (PEA) † | 2.945 | 1.261 | 5.458 | 1 | 0.019* | 19.010 | 1.607–224.880 | |
| Baseline rhythm (Bradycardia) † | 2.318 | 0.666 | 12.104 | 1 | 0.001* | 10.150 | 2.751–37.453 | |
| Epinephrine interval (< 3 min) ‡ | -2.652 | 0.298 | 78.964 | 1 | < 0.001* | 0.070 | 0.039-0.127 | |
| Epinephrine interval (q3–5 min) ‡ | -2.024 | 0.227 | 79.176 | 1 | < 0.001* | 0.132 | 0.085-0.206 | |
| Age (25–44) ¶ | − 0.873 | 0.274 | 3.980 | 1 | 0.047* | 0.623 | 0.364-1.066 | |
| COVID-19 Affliction (No)¥ | − 0.986 | 0.240 | 4.721 | 1 | 0.023* | 0.388 | 0.287–1.337 | |
| Underlying disease (NO)£ | -0.901 | 0.163 | 4.185 | 1 | 0.039* | 0.736 | 0.499–1.086 | |
| Epinephrine delay (NO)§ | -1.339 | 0.244 | 30.054 | 1 | < 0.001* | 0.262 | 0.162–0.423 | |
| CPR–discharge survival | Age (16–24) ¶ | -1.785 | 1.045 | 3.875 | 1 | 0.048* | 0.168 | 0.022–1.302 |
| Baseline rhythm (Asystole) † | 2.783 | 1.117 | 6.213 | 1 | 0.013* | 16.167 | 1.812–144.214 |
†. Reference category: VT; ‡. Reference category: Epinephrine interval: > 5 min; ¶. Reference category: >65; ¥. Reference category: COVID-19 Affliction; £. Reference category: Yes; §. Reference category: Yes