Table 1.
Baseline characteristics.
| Demographics and Clinical Characteristics | ||||
|---|---|---|---|---|
| Total | Survivors | Non-Survivors | ||
| (n = 150) | (n = 50) | (n = 100) | p Value | |
| Age (years) | 66.4 (13.3) | 61.2 (13.5) | 69 (12.5) | 0.002 |
| 30–39 | 5 (3.3%) | 4 (8%) | 1 (1%) | |
| 40–49 | 17 (11.3%) | 10 (20%) | 7 (7%) | |
| 50–59 | 15 (10%) | 0 | 15 (15%) | |
| 60–69 | 48 (32%) | 22 (44%) | 26 (26%) | |
| 70–79 | 38 (25.3%) | 12 (24%) | 26 (26%) | |
| >80 | 27 (18%) | 2 (4%) | 25 (25%) | |
| Sex | 0.117 | |||
| Female | 58 (38.7%) | 15 (30%) | 43 (43%) | |
| Male | 92 (61.3%) | 35 (70%) | 57 (57%) | |
| Current smoker | 46 (30.7%) | 18 (36%) | 28 (28%) | 0.320 |
| Obesity | 63 (42%) | 16 (32%) | 47 (47%) | 0.075 |
| Temperature (°C) | <0.01 | |||
| <37.5 °C | 74 (49.3%) | 35 (70%) | 40 (40%) | |
| 37.5–38.0 °C | 24 (16%) | 8 (16%) | 15 (15%) | |
| 38.1–39.0 °C | 41 (27.3%) | 7 (14%) | 34 (34%) | |
| >39.0 °C | 11 (7.3%) | 0 | 11 (11%) | |
| Systolic blood pressure <90 mmHg | 2 (1.3%) | 0 | 2 (1.33%) | 0.085 |
| Diastolic blood pressure <60 mmHg | 14 (9.3%) | 1 (2%) | 13 (13%) | 0.144 |
| Peripheral oxygen saturation <93% | 125 (83%) | 39 (78%) | 86 (86%) | <0.01 |
| Heart rate >100 beats/minute | 30 (20%) | 6 (12%) | 24 (24%) | 0.022 |
| Dyspnea | 102 (68%) | 71 (71%) | 31 (62%) | 0.281 |
| Cough | 97 (64.7%) | 60 (60%) | 37 (74%) | 0.082 |
| Sputum | 52 (34.7%) | 14 (28%) | 38 (38%) | 0.217 |
| Chills | 51 (34%) | 11 (22%) | 40 (40%) | 0.021 |
| Headache | 52 (34.7%) | 17 (34%) | 35 (35%) | 0.904 |
| Fatigue | 101 (67.3%) | 27 (54%) | 74 (74%) | 0.019 |
| Gastrointestinal symptoms | 28 (18.7%) | 9 (19%) | 19 (19%) | 0.883 |
| Myalgia | 55 (36.7%) | 14 (28%) | 41 (41%) | 0.121 |
| Rash | 3 (2%) | 0 | 3 (2%) | 0.083 |
| Duration from onset of symptoms to hospital admission (days) | 4 (3–6) | 4 (3–6) | 4 (3–6) | 0.859 |
| Length of stay in hospital (days) | 12 (8–16) | 15 (13–19) | 10 (6–14) | <0.001 |
| Duration from ICU admission to death(days) | 6.5 (3–8) | - | 6.5 (3–8) | - |
Data are expressed as absolute numbers and percentages (%), median (IQR) or mean (SD), as appropriate. Abbreviations: ICU—intensive care unit.