| Univariate analysis |  | Multivariable analysisa | ||||
---|---|---|---|---|---|---|---|
 | OR | (95%CI) | P value |  | OR | (95%CI) | P value |
Positive PLR at ICU admissionb | 10.28 | (5.77–19.55) | < 0.001 |  | 11.3 | (5.17–24.7) | < 0.001 |
Normal pupil diameter at ICU admissionc | 2.56 | (1.49–4.63) | 0.001 |  | 1.10 | (0.52–2.32) | 0.80 |
Age | 0.98 | (0.96–1.0) | 0.032 |  | 0.98 | (0.96–0.99) | 0.063 |
Sex, male | 0.44 | (0.26–0.77) | 0.003 |  | 0.47 | (0.26–0.87) | 0.016 |
Shockable rhythm on arrest | 3.18 | (1.58–7.30) | 0.002 |  | 2.95 | (1.36–6.44) | 0.006 |
Witnessed cardiac arrest | 2.05 | (1.0–4.50) | 0.052 |  | 1.56 | (0.74–3.30) | 0.24 |
Bystander CPR | 1.52 | (0.91–2.60) | 0.11 |  | 1.28 | (0.87–1.88) | 0.21 |
Estimated low flow timed | 0.98 | (0.96–1.0) | 0.014 |  | 0.99 | (0.97–1.01) | 0.348 |
Prehospital epinephrine administration | 0.40 | (0.21–0.71) | 0.003 |  | 0.54 | (0.32–0.91) | 0.021 |
Drug administration at ICU admissione | Â | Â | Â | Â | Â | Â | Â |
 Vasopressorsf | 0.57 | (0.33–0.95) | 0.036 |  | 0.59 | (0.36–0.98) | 0.042 |
 Sedativesg | 3.68 | (2.09–6.87) | < 0.001 |  | 1.70 | (0.98–2.95) | 0.057 |
 Analgesicsh | 3.50 | (2.06–6.17) | < 0.001 |  | 1.83 | (0.92–3.66) | 0.084 |