Table 1.
Baseline characteristics of patients with influenza
| Mean ± SD / N (%) | |
|---|---|
| Age | 48.08 ± 19.51 |
| Sex = male | 1716 (48.19) |
| Vital signs | |
| Body temperature, °C | 38.11 ± 1.17 |
| Heart rate, beats/min | 107.64 ± 18.83 |
| Respiratory rate, breaths/min | 19.80 ± 3.35 |
| Systolic blood pressure, mmHg | 142.03 ± 28.47 |
| Diastolic blood pressure, mmHg | 84.06 ± 22.84 |
| Glasgow Coma Scale score | 14.65 ± 1.55 |
| White blood cell count (1000/mm3) | 8.14 ± 4.31 |
| Charlson Comorbidity Index (CCI) | 3.94 ± 4.19 |
| Comorbidities | |
| Myocardial infarction | 169 (4.75) |
| Congestive heart failure | 438 (12.3) |
| Peripheral vascular disease | 140 (3.93) |
| Cerebrovascular disease | 491 (13.79) |
| Dementia | 137 (3.85) |
| Chronic pulmonary disease | 960 (26.96) |
| Connective tissue disease-rheumatic disease | 157 (4.41) |
| Peptic ulcer disease | 850 (23.87) |
| Mild liver disease | 706 (19.83) |
| Diabetes mellitus, without complications | 767 (21.54) |
| Diabetes, with complications | 300 (8.42) |
| Paraplegia and hemiplegia | 77 (2.16) |
| Renal disease | 644 (18.08) |
| Cancer | 469 (13.17) |
| Moderate or severe liver disease | 83 (2.33) |
| Metastatic carcinoma | 124 (3.48) |
| AIDS/HIV | 14 (0.39) |
SD standard deviation, AIDS acquired immune deficiency syndrome, HIV human immunodeficiency virus