Out-of-hospital cardiac arrest survival to admission and to discharge with crude and adjusted odds ratios
| Technicians crew | Paramedic crew | Technicians and backup paramedic | Technicians and MP | Technicians and HP | Paramedics and MP | Paramedics and HP | |
|---|---|---|---|---|---|---|---|
| Number of survivors to admission (%) | 36 (6.9) | 86 (15.6) | 29 (19.9) | 11 (19.6) | 20 (20.6) | 17 (24.3) | 22 (20.6) |
| Crude odds ratio (95% CI) | 1.00 (–) | 2.49***
(1.65 to 3.74) | 3.33***
(1.97 to 5.65) | 3.29**
(1.57 to 6.89) | 3.49***
(1.92 to 6.34) | 4.31***
(2.27 to 8.19) | 3.48***
(1.95 to 6.20) |
| Adjusted odds ratio (95% CI) | 1.00 (–) | 6.94***
(3.92 to 12.29) | 7.16***
(3.61 to 14.22) | 4.22***
(1.79 to 9.96) | 5.93***
(2.93 to 12.00) | 13.82***
(5.91 to 32.30) | 12.38***
(5.79 to 26.46) |
| Number of survivors to discharge (%) | 23 (4.4) | 32 (5.8) | 7 (4.8) | 5 (8.9) | 7 (7.2) | 11 (15.7) | 9 (8.4) |
| Crude odds ratio (95% CI) | 1.00 (–) | 1.33 (0.77 to 2.30) | 1.09 (0.46 to 2.58) | 2.12 (0.77 to 5.80) | 1.68 (0.70 to 4.03) | 4.03***
(1.87 to 8.66) | 1.98 (0.89 to 4.41) |
| Adjusted odds ratio (95% CI) | 1.00 (–) | 3.55**
(1.62 to 7.79) | 1.76 (0.59 to 5.29) | 3.245-150
(1.03 to 10.20) | 2.79 (0.98 to 7.94) | 20.88***
(6.72 to 64.94) | 9.11***
(3.12 to 26.61) |
↵5-150 p < 0.05, **p < 0.01, ***p < 0.001.
CI, confidence interval; HP, health professional; MP, medical practitioner.