Table 2 Patient demographics characteristics (three-day ICU)
All N= 444 | Non-ICU N= 333 | ICU N= 111 | P-value | Survivors N= 351 | Non-survivors N= 93 | P-value | |
|---|---|---|---|---|---|---|---|
Demographics | |||||||
- Smoking | 191 (43.0) | 142 (42.6) | 49 (44.1) | 0.782 | 135 (38.5) | 56 (60.2) | <0.001 |
- Male | 326 (73.6) | 243 (73.2) | 83 (74.8) | 0.743 | 252 (72.0) | 74 (79.6) | 0.141 |
- Age, yrs | 72.1 (15.1) | 72 (15.6) | 72.5 (13.6) | 0.736 | 71.7 (15.3) | 73.7 (14.1) | 0.291 |
- Age ≥ 65 yrs | 332 (74.8) | 242 (72.7) | 90 (81.1) | 0.077 | 260 (74.1) | 72 (77.4) | 0.509 |
- Age ≥ 75 yrs | 235 (52.9) | 171 (51.4) | 64 (57.7) | 0.249 | 182 (51.9) | 53 (57.0) | 0.377 |
Comorbidity | |||||||
- Charlson comorbidity score | 2 (1 to 3) | 2 (1 to 2) | 2 (1 to 3) | 0.013 | 2 (1 to 2) | 2 (2 to 3) | <0.001 |
- Neoplastic disease | 166 (37.4) | 131 (39.3) | 35 (31.5) | 0.141 | 108 (30.8) | 58 (62.4) | <0.001 |
- Liver disease | 28 (6.3) | 16 (4.8) | 12 (10.8) | 0.024 | 21 (6.0) | 7 (7.5) | 0.586 |
- Cardiovascular disease | 68 (15.3) | 43 (12.9) | 25 (22.5) | 0.015 | 52 (14.8) | 16 (17.2) | 0.569 |
- Cerebrovascular disorders | 120 (27.0) | 81 (24.3) | 39 (35.1) | 0.026 | 100 (28.5) | 20 (21.5) | 0.177 |
- CNS | 67 (15.1) | 56 (16.8) | 11 (9.9) | 0.078 | 57 (16.2) | 10 (10.8) | 0.189 |
- Renal disease | 81 (18.2) | 51 (15.3) | 30 (27.0) | 0.006 | 67 (19.1) | 14 (15.1) | 0.370 |
- Pulmonary disease | 114 (25.7) | 82 (24.6) | 32 (28.8) | 0.380 | 88 (25.1) | 26 (28.0) | 0.571 |
- Diabetes mellitus | 130 (29.3) | 89 (26.7) | 41 (36.9) | 0.041 | 103 (29.3) | 27 (29.0) | 0.953 |
- Immunocompromised status | 54 (12.2) | 38 (11.4) | 16 (14.4) | 0.402 | 43 (12.3) | 11 (11.8) | 0.912 |