Characteristics of all patients (total n=33 765)
| Characteristic | n (%) | Recurrent visit number±SD |
| Patient sex | ||
| Male | 19 155 (56.7) | 1.64±1.3 (P<0.01) |
| Female | 14 610 (43.3) | 1.56±1.3 |
| Patient age, years | ||
| Infant | 6438 (19.1) | 1.78±1.5 (P<0.01) |
| 1–4 | 15 849 (46.8) | 1.70±1.4 |
| 5–9 | 6719 (19.9) | 1.42±1.0 |
| 10–14 | 3927 (11.7) | 1.34±0.9 |
| 15 | 832 (2.5) | 1.25±0.7 |
| Medical insurance | ||
| Public | 32 349 (95.8) | 1.61±1.3 (P<0.01) |
| Self-pay | 393 (1.2) | 1.51±1.2 |
| Medical care | 476 (1.4) | 1.70±1.7 |
| Commercial (car) | 505 (1.5) | 1.28±0.7 |
| International | 42 (0.1) | 1.10±0.4 |