Table 4.
Logistic regression analysis of survival outcomes according to the COVID-19 outbreak
| Good neurologic outcome |
Survival to hospital discharge |
ROSC |
||||
|---|---|---|---|---|---|---|
| OR (95% CI) | aORa) (95% CI) | OR (95% CI) | aORa) (95% CI) | OR (95% CI) | aORa) (95% CI) | |
| Overall | ||||||
| Control period | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Study period | 0.32 (0.11–0.91) | 0.23 (0.05–0.98) | 0.42 (0.17–1.06) | 0.42 (0.12–1.41) | 0.27 (0.12–0.61) | 0.25 (0.09–0.68) |
| Witnessed arrest | ||||||
| Control period | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Study period | 0.24 (0.07–0.77) | 0.14 (0.02–0.90) | 0.37 (0.13–1.04) | 0.40 (0.09–1.71) | 0.18 (0.06–0.52) | 0.11 (0.03–0.52) |
| Unwitnessed arrest | ||||||
| Control period | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Study period | 0.99 (0.06–16.06) | 0.43 (0.01–14.13) | 0.49 (0.04–5.49) | 0.35 (0.02–5.56) | 0.47 (0.11–1.97) | 0.55 (0.13–2.41) |
COVID-19, coronavirus disease 2019; OR, odds ratio; aOR, adjusted odds ratio; CI, confidence interval; ROSC, prehospital return of spontaneous circulation.
a)
Adjusted for age, sex, location of cardiac arrest, and first documented rhythm.