Table 2.
Chemoprophylaxis after accidental exposure to influenza cases in a hospital
| Index cases (n) | Close contacts (n) | CP* | Disease/Contacts | Odds ratio (CI) | P † |
|---|---|---|---|---|---|
| All (202) | All (762) | Yes | 5/416 | 0·34 (0·12–0·97) | 0·047 |
| No | 12/346 | ||||
| Hospitalized patients (30) | All (248) | Yes | 3/153 | 0·22 (0·06–0·84) | 0·024 |
| No | 8/95 | ||||
| Hospitalized patients (116) | Yes | 2/102 | 0·07 (0·01–0·49) | 0·012 | |
| No | 3/14 | ||||
| Healthcare workers (132) | Yes | 1/51 | 0·30 (0·03–2·68) | 0·405 | |
| No | 5/81 | ||||
| Healthcare workers (172) | All (514) | Yes | 2/263 | 0·47 (0·09–2·61) | 0·440 |
| No | 4/251 | ||||
| Hospitalized patients (156) | Yes | 0/146 | – | 1 | |
| No | 0/10 | ||||
| Healthcare workers (358) | Yes | 2/123 | 0·95 (0·17–5·29) | 1 | |
| No | 4/235 |
*Chemoprophylaxis.
†Fisher’s exact probability test.