Table 5.
Logistic regression analyses for 1-month outcomes for OHCAs witnessed by EMS providers (n = 23,127)
| 1-month survival | Good performance at 1 month | Vegetative status or de facto brain death at 1 month | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | P | OR | 95% CI | P | OR | 95% CI | P | |
| Age (10-year increase) | 0.89 | 0.87 to 0.91 | < 0.001 | 0.80 | 0.78 to 0.83 | < 0.001 | 0.97 | 0.93 to 1.01 | 0.119 |
| Sex | |||||||||
| Male | Ref. | Ref. | Ref. | ||||||
| Female | 1.02 | 0.94 to 1.12 | 0.617 | 0.90 | 0.79 to 1.02 | 0.097 | 1.18 | 1.02 to 1.37 | 0.028 |
| Causes of arrest | |||||||||
| Noncardiac origin | Ref. | Ref. | Ref. | ||||||
| Cardiac origin with initial non-VF | 1.58 | 1.43 to 1.73 | < 0.001 | 3.00 | 2.58 to 3.49 | < 0.001 | 0.93 | 0.80 to 1.09 | 0.360 |
| Cardiac origin with initial VF | 7.58 | 6.68 to 8.59 | < 0.001 | 17.82 | 15.07 to 21.07 | < 0.001 | 1.36 | 1.04 to 1.77 | 0.024 |
| Advanced cardiac life support | |||||||||
| By ELSTs | Ref. | Ref. | Ref. | ||||||
| By physicians | 1.27 | 1.05 to 1.53 | 0.013 | 1.47 | 1.16 to 1.87 | 0.002 | 0.92 | 0.64 to 1.32 | 0.646 |
CI, confidence interval; ELST, emergency life-saving technician; EMS, emergency medical service; OHCA, out-of-hospital cardiac arrest; OR, odds ratio; Ref., reference; VF, ventricular fibrillation.