Table 2.
Frequency distribution of historical variables at the time of hospital admission (case history)
| Variable | Level | N (%) | Versus – level | N (%) |
|---|---|---|---|---|
| Sex | Male | 37 (48.1) | Female | 40 (51.2) |
| Disease | No | 48 (62.3) | Yes | 29 (37.7) |
| Respiratory distress | No | 43 (55.8) | Yes | 34 (44.2) |
| Smoking | No | 53 (68.8) | Yes | 24 (31.2) |
| Body mass index | ≤41 | 71 (92.2) | >41 | 6 (7.8) |
| Temperature, °C | ≤38.8 | 36 (48.0) | >38.8 | 39 (52.0) |
| Vaccination | No | 39 (50.6) | Yes | 38 (49.4) |
| Age, years | Quantitative | Mean =51.12 | SD =24.54 | |
| Tamiflu (days) | Quantitative | Mean =1.8 | SD =1.9 |
Notes: Tamiflu (oseltamivir); Roche, Basel, Switzerland.