Table 2.
Comparison of included and excluded study characteristics in individual patient data (IPD)
| Eligible study characteristics | No (%) of studies | |
|---|---|---|
| Included in IPD | Excluded from IPD | |
| Population source | ||
| Primary care | 11 (84.6) | 3 (33.3) |
| Emergency department | 1 (7.7) | 2 (22.2) |
| Paediatric office (USA) | 1 (7.7) | 4 (44.4) |
| Condition | ||
| Common cold | 1 (7.7) | 0 (0.0) |
| Acute otitis media | 3 (23.1) | 4 (44.4) |
| Sore throat | 2 (15.4) | 4 (44.4) |
| Cough | 2 (15.4) | 2 (22.2) |
| Respiratory tract infection | 7 (53.8) | 0 (0.0) |
| Antibiotic group | ||
| None | 12 (92.3) | 2 (22.2) |
| Immediate | 11 (84.6) | 7 (77.8) |
| Delayed | 12 (92.3) | 7 (77.8) |