Table 2.
Baseline characteristics of study cohort (Mean ± SD, n = 404)
| Characteristic | Result |
|---|---|
| Age (yrs) | 65.14 ± 19.60 |
| Male sex (%) | 38.9 |
| Hospital Length of stay (days) | 12.6 ± 9.8 |
| Age ≥ 65 yrs. (%) (No.) | 57.4 (232) |
| Comorbidities (%) (No.) | |
| Hypertension | 41.9 (169) |
| Coronary heart disease | 19.3 (78) |
| Heart failure | 5.2 (21) |
| Chronic obstructive pulmonary disease | 8.4 (34) |
| Diabetes mellitus | 11.5 (46) |
| Chronic renal insufficiency | 6.7 (27) |
| Liver disease | 6.1 (25) |
| Nervous system disease | 7.8 (32) |
| Tumour | 10.9 (44) |
| Alcohol abuse (%) (No.) | 2.9 (12) |
| Smoking (%) (No.) | 31.4 (127) |
|
Respiratory rate ≥ 30 breaths/min (%) (No.) |
26.5 (107) |
|
PaO2/FiO2 ≤ 250 mmHg (%) (No.) |
32.7 (132) |
| Multilobar infiltrates (%) (No.) | 67.1 (271) |
| Confusion (%) (No.) | 13.1 (53) |
| Uremia (%) (No.) | 38.6 (156) |
| Leukopenia (%) (No.) | 14.6 (59) |
| Thrombocytopenia (%) (No.) | 9.2 (37) |
| Hypothermia (%) (No.) | 12.4 (50) |
| Hypotension (%) (No.) | 35.6 (144) |
PaO2/FiO2 Arterial oxygen pressure/fraction inspired oxygen