Table 1.
Demographic data of ICU mortality patients
| Variables | All (N=465) | Survivors (N=395) | Nonsurvivors (N=70) | P-value |
|---|---|---|---|---|
| Median age (IQR) | 60 (49–74) | 60 (49–72) | 53 (45–74) | 0.230 |
| Male (%) | 286 (61.5) | 247 (62.5) | 39 (55.7) | 0.280 |
| Median admission weight in kg (IQR) | 53 (45–64) | 53 (45–65) | 50 (44–59) | 0.208 |
| Median height in cm (IQR) | 160 (153–165) | 160 (153–165) | 160 (153–165) | 0.924 |
| Median BMI (IQR) | 20.9 (17.9–24.0) | 20.9 (18.0–24.2) | 20.1 (17.5–22.9) | 0.217 |
| ICU diagnosis categories (%) | ||||
| Cardiovascular | 71 (15.3) | 64 (16.2) | 7 (10.0) | 0.278 |
| Respiratory | 70 (15.1) | 57 (14.4) | 13 (18.6) | |
| Abdominal | 206 (44.3) | 175 (44.3) | 31 (44.3) | |
| Neurosurgical | 2 (0.4) | 2 (0.5) | 0 (0) | |
| Sepsis (unknown source) | 13 (2.8) | 8 (2.0) | 5 (7.1) | |
| Trauma | 41 (8.8) | 36 (9.1) | 5 (7.1) | |
| Metabolic | 5 (1.1) | 4 (1.0) | 1 (1.4) | |
| Renal and urological | 41(8.8) | 37 (9.4) | 4 (5.7) | |
| Obstetric and gynecological | 1 (0.2) | 1 (0.2) | 0 (0) | |
| Musculoskeletal and soft tissue | 13 (2.8) | 10 (2.5) | 3 (4.3) | |
| Others | 2 (0.4) | 1 (0.3) | 1 (1.4) | |
| Smoking status (%) | ||||
| None | 223 (48.0) | 183 (46.3) | 40 (57.1) | 0.068 |
| Current smoker | 79 (17.0) | 65 (16.5) | 14 (20.0) | |
| Ex-smoker | 163 (35.0) | 147 (37.2) | 16 (22.9) | |
| Postoperative status (%) | 310 (66.7) | 277 (70.1) | 33 (47.1) | <0.001 |
| Median initial APACHE II score (IQR) | 14 (11–19) | 14 (10–19) | 21 (15–26) | <0.001 |
| Median admission albumin level (mg/dL) | 2.5 (1.8–3.0) | 2.5 (1.9–3.1) | 2.0 (1.4–2.4) | <0.001 |
| Median of maximum weight change within 7 day in percent (IQR) | 2.90 (0–6.5) | 2.3 (0–6.0) | 6.2 (1.4–11.3) | <0.001 |
Abbreviations: APACHE II, Acute Physiologic and Chronic Health Evaluation II; BMI, body mass index; ICU, intensive care unit; IQR, interquartile range.