Table 5 Univariate Analysis of categorical and continuous predictors of mortality in the hospital
Variable | nonsurvivors / survivors n° or mean ± SD | Odds ratio (95% CI) | p-value |
|---|---|---|---|
Age (years) | Â | Â | Â |
   < 65 | 14/65 | 1 |  |
   ≥ 65 | 15/91 | 1.3 (0.6 – 2.9) | 0.510 |
Gender | Â | Â | Â |
   Male | 19/93 | 0.8 (0.3 – 1.8) | 0.551 |
   Female | 10/63 |  |  |
Body weight (Kg) | 63.2 ± 11.8 / 69.8 ± 16.9 | 1.0 (0.9 – 1.0) | 0.044 |
Body mass index (Kg/m2) | 23.1 ± 3.83 / 25.8 ± 6.1 | 0.9 (0.8 – 1.0) | 0.019 |
ASA Physical status | Â | Â | Â |
   I/II | 8/ 69 | 1 |  |
   III/IV | 21/87 | 2.1 (0.8 – 5.0) | 0.10 |
Emergency surgery | 13/16 | 7.1 (2.9 – 17.4) | <0.001 |
Magnitude of surgery | Â | Â | Â |
   Minor | 2/34 | 1 |  |
   Medium | 11/34 | 3.1 (0.7 – 14.2) | 0.146 |
   Major | 16/88 | 5.5 (1.1 – 26.7) | 0.034 |
Temperature monitoring | 5/17 | 1.7 (0.6 – 5.1) | 0.337 |
Warming technique | 10/71 | 1.6 (0.7 – 3.6) | 0.274 |
Intravenous crystalloids (L.) | 2.88 ± 1.59 / 2.85 ± 1.66 | 1.0 (0.8 – 1.3) | 0.904 |
Intravenous colloids (L.) | 0.16 ± 0.33 / 0.08 ± 0.24 | 2.4 (0.7 – 8.7) | 0.174 |
Packed erythrocytes (Units) | 0.83 ± 1.14 / 0.66 ± 1.27 | 1.1 (0.8 – 1.5) | 0.508 |
Fresh frozen plasma (Units) | 0.17 ± 0.54 / 0.25 ± 0.99 | 0.9 (0.5 – 1.5) | 0.683 |
Duration of anesthesia (min.) | 204 ± 112 / 221 ± 107 |  |  |
   ≤ 180 min. | 16/75 | 1 |  |
   > 180 min. | 13/81 | 1.3 (0.6 – 3.0) | 0.484 |
Temperature on admission | Â | Â | Â |
   ≤ 35 | 20/87 | 1 |  |
   > 35 | 9/69 | 0.6 (0.2 – 1.3) | 0.190 |
Score of Acute Physiologic system (SAPS II) | 41.41 ± 17.86 / 21.20 ± 10.54 | 1.1 (1.1 – 1.1) | <0.001 |
Length of ICU stay (days) | Â | Â | Â |
   ≤ 2 days | 10/128 | 1 |  |
   > 2 days | 19/28 | 8.7 (3.7 – 20.7) | <0.001 |
Length of hospital stay (days) | 45.7 ± 41.8 / 21.8 ± 21.9 | 1.0 (1.0 – 1.0) | <0.001 |