Table A1.
Characteristics at Baseline by Oseltamivir Prescriptiona
| Characteristic | Patients, No. (%) |
P Value | |
|---|---|---|---|
| Oseltamivir (n = 223) | No Antiviral (n = 359) | ||
| Male sex | 117 (52.5) | 168 (46.8) | .21 |
| Age group, y | .15 | ||
| ≤5 | 84 (37.7) | 166 (46.2) | |
| 6–12 | 24 (10.8) | 38 (10.6) | |
| 13–17 | 66 (29.6) | 81 (22.6) | |
| ≥18 | 84 (37.7) | 166 (46.2) | |
| Vaccinated in past 1 y | 35 (15.7) | 46 (12.8) | .39 |
| Influenza A | 185 (83) | 258 (71.9) | .34 |
| Influenza B | 38 (17) | 101 (28.1) | .52 |
| Any chronic medical condition | 30 (13.5) | 28 (7.8) | .67 |
| Fever ≥37.8°C | 191 (85.7) | 286 (79.7) | .09 |
| Headache | 109 (48.9) | 185 (51.5) | .59 |
| Sore throat | 139 (62.3) | 220 (61.3) | .87 |
| Cough | 197 (88.3) | 305 (85) | .30 |
| Muscle pain | 104 (46.6) | 137 (38.2) | .05 |
| Coryza | 205 (91.9) | 318 (88.6) | .25 |
| Phlegm | 134 (60.1) | 233 (64.9) | .28 |
| Delay between illness onset and enrollment, h | .51 | ||
| ≤24 | 151 (67.7) | 237 (66) | |
| 25–48 | 72 (32.3) | 120 (33.4) | |
| >48 | 0 (0) | 2 (0.6) | |
| Prescribed antibiotics | 52 (23.3) | 64 (17.8) | .13 |
| Prescribed antipyretics | 130 (58.3) | 259 (72.1) | <.01 |
| Prescribed antihistamines | 124 (55.6) | 250 (69.6) | <.01 |
a P values were estimated using χ2 tests.