Factor | Odds ratio (95% CI) | p |
Charlson comorbidity index ≥ 9 | 0.251 (0.098 - 0.646) | 0.004 |
Cardiac comorbidity before admission | 0.612 (0.401 - 0.933) | 0.023 |
Metastatic malignancy before admission | 0.485 (0.282 - 0.835) | 0.009 |
Arrest time at midnight shift (0:00-07:59) | 0.403 (0.252 - 0.642) | <0.001 |