Incidence of injury by mechanism and event type for paediatric Team USA athletes
| Total number of injuries | Number of athletes with an injury | Injury or illness incidence proportion (per 100 athletes) | Injury or illness incidence rate (per 1000 AD) | 95% CI | ||
| Lower limit | Upper limit | |||||
| Mechanism | ||||||
| Acute: contact | 13 | 11 | 6.5 | 4.0 | 2.1 | 6.8 |
| Acute: non-contact | 13 | 10 | 6.5 | 4.0 | 2.1 | 6.8 |
| Gradual onset | 14 | 14 | 7.0 | 4.3 | 2.3 | 7.2 |
| Undisclosed | 4 | 4 | 2.0 | 1.2 | 0.3 | 3.1 |
| Event type | ||||||
| Practice | 23 | 19 | 11.5 | 7.0 | 4.5 | 10.5 |
| Competition | 12 | 11 | 6.0 | 3.7 | 1.9 | 6.4 |
| Non-sport | 4 | 4 | 2.0 | 1.2 | 0.3 | 3.1 |
| Undisclosed | 5 | 5 | 2.5 | 1.5 | 0.5 | 3.6 |