| Characteristics | Total (N=654) | Discharged survivors (N=346) | Non-survivors (N=308) | p-value | |
|---|---|---|---|---|---|
| Sex | Male | 282 (43.1) | 150 (43.4) | 132 (42.9) | 0.898 |
| Female | 372 (56.9) | 196 (56.6) | 176 (57.1) | ||
| Age (yr) | ≤40 | 116 (17.7) | 96 (27.7) | 20 (6.5) | <0.001 |
| 41–60 | 250 (38.2) | 137 (39.6) | 113 (36.7) | ||
| ≥60 | 288 (44) | 113 (32.7) | 175 (56.8) | ||
| Mean±SD | 56.7±16 | 51.6±15.5 | 62.5±14.4 | <0.001 | |
| BMI [ | Underweight (<18.5) | 45 (6.9) | 26 (7.5) | 19 (6.2) | 0.006 |
| Normal weight (18.5–22.9) | 375 (57.3) | 209 (60.4) | 166 (53.9) | ||
| Overweight (23–24.9) | 127 (19.4) | 71 (20.5) | 56 (18.2) | ||
| Obese (≥25) | 107 (16.4) | 40 (11.6) | 67 (21.8) | ||
| Consciousness | Yes | 599 (91.6) | 340 (98.3) | 259 (84.1) | <0.001 |
| No | 55 (8.4) | 6 (1.7) | 49 (15.9) | ||
| Numbers of comorbidities | None | 226 (34.6) | 123 (35.5) | 103 (33.4) | 0.322 |
| 1 | 202 (30.8) | 116 (33.5) | 86 (27.9) | ||
| 2 | 156 (23.9) | 74 (21.4) | 82 (26.6) | ||
| 3 | 55 (8.4) | 26 (7.5) | 29 (9.4) | ||
| ≥4 | 15 (2.3) | 7 (2) | 8 (2.6) | ||
| Comorbidities | Hypertension | 202 (30.8) | 98 (28.3) | 104 (33.8) | 0.133 |
| Diabetes | 161 (24.6) | 68 (19.7) | 93 (30.2) | 0.002 | |
| GERD | 82 (12.5) | 61(17.6) | 21 (6.8) | <0.001 | |
| CKD | 42 (6.4) | 13 (3.8) | 29 (9.4) | 0.003 | |
| Respiratory diseases | 36 (5.5) | 21 (6.1) | 15 (4.9) | 0.502 | |
| Cerebrovascular complications | 31 (4.7) | 10 (2.9) | 21 (6.8) | 0.018 | |
| Coronary artery disease | 26 (4) | 8 (2.3) | 18 (5.8) | 0.021 | |
| Cancer | 19 (2.9) | 9 (2.6) | 10 (3.2) | 0.624 | |
| Liver diseases | 19 (2.9) | 12 (3.5) | 7 (2.3) | 0.364 | |
| Heart failure | 17 (2.6) | 6 (1.7) | 11 (3.6) | 0.140 | |
| Lipid disorders | 8 (1.2) | 7 (2) | 1 (0.3) | 0.072 | |
| Anemia | 8 (1.2) | 7 (2) | 1 (0.3) | 0.072 | |
| Hospital duration (day) | 12 (8–17) | 12 (9–17) | 11 (7 –16) | 0.001 | |
| SpO2 (%) | 86.5±13.9 | 91.4±9.3 | 81±15.9 | <0.001 |