Predictor variable | Univariate analysis | Multivariate analysis (n= 108) | ||||
---|---|---|---|---|---|---|
 | OR1 | 95% CI | P -value | OR1 | 95% CI1 | P - value2, 3 |
Age (years) | 1.00 | 0.99 - 1.03 | 0.339 | Â | Â | 0.381 |
APACHE II | 1.09 | 1.02 - 1.17 (n = 120) | 0.008 | 1.08 | 1.00 - 1.17 | 0.064 |
Female gender | 1.02 | 0.47 - 2.23 | 0.960 | Â | Â | 0.668 |
OPR/Theatre admission | 0.44 | 0.20 - 1.01 | 0.052 | Â | Â | 0.324 |
Admission PaO2/FiO2 ratio | 0.80 | 0.58 - 1.00 (n = 114) | 0.038 | Â | Â | 0.498 |
Hypoxemic failure | 4.56 | 1.98 - 10.53 (n = 120) | < 0.001 | 5.63 | 1.95 - 16.26 | 0.001 |
Type 2 (ventilatory) failure | 0.11 | 0.01 - 0.86 (n= 120) | 0.035 | Â | Â | 0.208 |
Positive end-expiratory pressure support (PEEP) only | 0.14 | 0.02 - 1.12 (n = 116) | 0.064 | Â | Â | 0.411 |
PEEP and positive pressure inspiratory support | 8.95 | 1.12 - 71.42 (n = 116) | 0.039 | 7.00 | 0.61 - 79.79 | 0.117 |
Endotracheal tube | 2.76 | 1.16 - 6.59 (n = 116) | 0.022 | Â | Â | 0.353 |
Previous statin therapy | 1.10 | 0.98 - 1.24 | 0.112 | 1.16 | 0.99 - 1.35 | 0.064 |
Statin on ICU day 1 | 0.35 | 0.09 - 1.32 (n = 116) | 0.122 | 0.18 | 0.03- 1.13 | 0.068 |
Admitted with an infection | 2.42 | 1.02 - 5.73 | 0.044 | Â | Â | 0.985 |
Admission lactate | 1.06 | 0.86 - 1.32 (n = 110) | 0.579 | Â | Â | 0.209 |
Admission white cell count | 1.00 | 0.93 - 1.06 (n = 115) | 0.880 | Â | Â | 0.570 |
Cardiovascular dysfunction | 2.80 | 1.55 - 5.05 | 0.001 | 2.06 | 1.02 - 4.14 | 0.044 |
Renal dysfunction | 2.21 | 1.10 - 4.45 | 0.026 | 2.32 | 0.93 - 5.79 | 0.070 |
Hepatic dysfunction | 2.67 | 1.11 - 6.39 | 0.028 | Â | Â | 0.248 |
Haematological dysfunction | 1.86 | 0.87 - 3.99 | 0.111 | Â | Â | 0.714 |