Table 5.
The multivariate logistic regression model for survival to discharge
| Characteristic | Adjusted OR* | 95% CI* | P-value | |
|---|---|---|---|---|
| Gender | ||||
| Male | 1.00 | |||
| Female | 1.16 | 0.39 | 3.45 | 0.788 |
| Age (yr) | 0.94 | 0.91 | 0.97 | < 0.001 |
| Location of arrest | ||||
| Private home | 1.00 | |||
| Public place | 3.64 | 1.40 | 9.45 | 0.008 |
| Arrest witnessed | ||||
| No | 1.00 | |||
| Yes | 3.58 | 1.35 | 9.50 | 0.010 |
| Bystander CPR provided | ||||
| No | 1.00 | |||
| Yes | 0.93 | 0.30 | 2.91 | 0.902 |
| Initial rhythm | ||||
| Non-shockable | 1.00 | |||
| Shockable | 4.12 | 1.61 | 10.52 | 0.003 |
| Call to EMS arrival time | ||||
| 7 min or less | 2.97 | 0.99 | 8.93 | 0.052 |
*
Odds ratio (OR) and 95% confidence interval (CI) was calculated with adjustment for related factors (gender, age, location of arrest, witness, bystander cardiopulmonary resuscitation [CPR], initial rhythm, and time between emergency call and emergency medical service [EMS] arrival).