Table 1.
Comparison of demographic and clinical characteristics among patients with pandemic (H1N1)v influenza A infection with or without early corticosteroid therapy
| Risk factor | Overall population (n = 220) | Early corticosteroid therapy (n = 126) | No early corticosteroid therapy (n = 94) | p-Value |
|---|---|---|---|---|
| Male, n (%) | 113 (51.4%) | 68 (54.0%) | 45 (47.9%) | 0.4 |
| Age, mean (SD), years | 43.26 (16.2) | 46.17 (14.9) | 39.37 (17.11) | <0.001 |
| Obesity, n (%) | 67 (30.5%) | 44 (34.9%) | 23 (24.5%) | 0.1 |
| Diabetes, n (%) | 33 (15.0%) | 19 (15.1%) | 14 (14.9%) | 0.99 |
| Chronic renal failure, n (%) | 15 (6.8%) | 9 (7.1%) | 6 (6.5%) | 0.99 |
| Valvular disease, n (%) | 6 (2.7%) | 3 (2.4%) | 3 (3.2%) | 0.7 |
| Ischemic cardiomyopathy, n (%) | 13 (5.9%) | 8 (6.3%) | 5 (5.3%) | 0.99 |
| Asthma, n (%) | 24 (10.9%) | 19 (15.1%) | 5 (5.3%) | <0.001 |
| Arrhythmia, n (%) | 10 (4.6%) | 8 (6.4%) | 2 (2.1%) | 0.2 |
| COPD, n (%) | 23 (10.5%) | 19 (15.1%) | 4 (4.3%) | <0.01 |
| Cerebrovascular disease, n (%) | 6 (2.7%) | 4 (3.2%) | 2 (2.1%) | 0.99 |
| Hematological malignancy, n (%) | 15 (6.8%) | 9 (7.1%) | 6 (6.4%) | 0.99 |
| Peripheral vascular disease, n (%) | 4 (1.8%) | 3 (2.4%) | 1 (1.1%) | 0.6 |
| Cirrhosis, n (%) | 7 (3.2%) | 3 (2.4%) | 4 (4.3%) | 0.4 |
| Seizure, n (%) | 10 (4.6%) | 4 (3.2%) | 6 (6.4%) | 0.3 |
| Chronic steroid use, n (%) | 28 (12.7%) | 24 (19.0%) | 4 (4.3%) | <0.001 |
COPD chronic obstructive pulmonary disease