Table 3 Relative risk of serious infections by site.
| Age‐ and sex‐adjusted RR (95% CI) | |
|---|---|
| Respiratory tract | 3.5 (2.3 to 5.4) |
| Urinary tract | 2 (1.2 to 3.4) |
| Skin | 1.9 (1.1 to 3) |
| Septicaemia | 4 (2 to 7.8) |
| Infectious arthritis | 2.2 (0.4 to 12.5) |
| All combined | 2.7 (2 to 3.4) |