Table 2. Multivariate analysis of predisposing factors for predicting ICU mortality in the overall study period and three five-year intervals.
MOF: multiple-organ failure
| Independent variables | Overall (n=496) | 2005-2009 (n=149) | 2010-2014 (n=157) | 2015-2019 (n=190) | ||||
| Survive/death (mortality%) | Odds ratio (95% CI) | Survive/death (mortality%) | Odds ratio (95% CI) | Survive/death (mortality%) | Odds ratio (95% CI) | Survive/death (mortality%) | Odds ratio (95% CI) | |
| Age, mean (SD) | 65.3/65.5 (15.6) | 1.005 (0.99-1.022) | - | - | - | - | - | - |
| Male sex, n (%) | 250/63 (63.6) | 1.12 (0.68-1.86) | - | - | - | - | - | - |
| MOF at ICU admission, n (%) | 130/73 (36.0) | 4.53 (2.79-7.48) | 33/33 (50.0) | 5.94 (2.73-13.71) | 38/26 (40.6) | 4.01 (1.82-9.31) | 59/14 (19.2) | 2.58 (1.05-6.59) |
| Shock, n (%) | 217/60 (55.2) | 1.17 (0.72-1.91) | - | - | - | - | - | - |
| Immunosuppressive, n (%) | 71/37 (18.1) | 1.73 (0.86-3.39) | - | - | - | - | - | - |
| Solid tumor, n (%) | 113/20 (28.8) | 1.07 (0.61-1.84) | - | - | - | - | - | - |
| Hematological malignancy, n (%) | 29/18 (38.3) | 2.48 (1.19-5.07) | 5/7 (58.3) | 2.47 (0.68-9.64) | 11/6 (35.3) | 1.71 (0.52-5.16) | 13/5 (27.8) | 2.89 (0.82-8.83) |
| Mesenteric ischemia, n (%) | 17/12 (4.3) | 2.10 (0.79-5.25) | - | - | - | - | - | - |
| Neurological disorder | 15/4 (3.8) | 1.66 (0.50-7.14) | - | - | - | - | - | - |