Table 3 OR of survival to hospital discharge according to number of chronic conditions.
| Number of chronic conditions | Trend | |||||
|---|---|---|---|---|---|---|
| None (n = 286) | 1 (n = 323) | 2 (n = 211) | 3 (n = 125) | 4–8 (n = 98) | ||
| Survival, %, (n) | 43.4 (124) | 35.0 (113) | 32.7 (69) | 24.0 (30) | 18.4 (18) | |
| Model 1 | 1 | 0.70 (0.51 to 0.97) | 0.63 (0.44 to 0.92) | 0.41 (0.26 to 0.66) | 0.29 (0.17 to 0.52) | 0.75 (0.68 to 0.84) |
| Model 2 | 1 | 0.80 (0.57 to 1.11) | 0.72 (0.49 to 1.06) | 0.48 (0.29 to 0.77) | 0.36 (0.20 to 0.64) | 0.79 (0.70 to 0.88) |
| Model 3 | 1 | 0.86 (0.60 to 1.23) | 0.83 (0.55 to 1.26) | 0.56 (0.33 to 0.95) | 0.46 (0.24 to 0.88) | 0.84 (0.74 to 0.95) |
Figures are OR with 95% CI, unless otherwise specified.
None is the referent group.
Model 1 is unadjusted.
Model 2 is adjusted for age and gender.
Model 3 is adjusted for age, gender, witness status, citizen cardiopulmonary resuscitation, location, whether the arrest took place before emergency medical services arrival, and basic life support and advanced life support response intervals.