Incidence of injury and illness by Games period and between paediatric and non-paediatric Team USA athletes
| Number of athletes competing | Number of athlete days | Number of injuries | Number of illnesses | Injury IR | 95% CI | Illness IR | 95% CI | |||
| Lower limit | Upper limit | Lower limit | Upper limit | |||||||
| Overall | ||||||||||
| Paediatric | 200 | 3273 | 44 | 18 | 13.4 | 9.8 | 18.1 | 5.5 | 3.3 | 8.7 |
| Non-paediatric | 1039 | 17 062 | 258 | 104 | 15.1 | 13.3 | 17.1 | 6.1 | 5.0 | 7.4 |
| All | 1239 | 20 335 | 302 | 122 | 14.9 | 13.2 | 16.6 | 6.0 | 5.0 | 7.2 |
| Tokyo 2020 Olympics | ||||||||||
| Paediatric | 97 | 1470 | 23 | 5 | 15.7 | 9.9 | 23.5 | 3.4 | 1.1 | 7.9 |
| Non-paediatric | 604 | 9710 | 133 | 46 | 13.7 | 11.5 | 16.2 | 4.7 | 3.5 | 6.3 |
| All | 701 | 11 180 | 156 | 51 | 14.0 | 11.9 | 16.3 | 4.6 | 3.4 | 6.0 |
| Tokyo 2020 Paralympics | ||||||||||
| Paediatric | 43 | 795 | 6 | 4 | 7.6 | 2.8 | 16.4 | 5.0 | 1.4 | 12.9 |
| Non-paediatric | 201 | 3094 | 40 | 21 | 12.9 | 9.2 | 17.6 | 6.8 | 4.2 | 10.4 |
| All | 244 | 3889 | 46 | 25 | 11.8 | 8.7 | 15.8 | 6.4 | 4.2 | 9.5 |
| Beijing 2022 Olympics | ||||||||||
| Paediatric | 52 | 878 | 13 | 8 | 14.8 | 7.9 | 25.3 | 9.1 | 3.9 | 18.0 |
| Non-paediatric | 179 | 3356 | 57 | 21 | 17.0 | 12.9 | 22.0 | 6.3 | 3.9 | 9.6 |
| All | 231 | 4234 | 70 | 29 | 16.5 | 12.9 | 20.9 | 6.9 | 4.6 | 9.8 |
| Beijing 2022 Paralympics | ||||||||||
| Paediatric | 8 | 130 | 2 | 1 | 15.4 | 1.9 | 55.6 | 7.7 | 0.2 | 42.9 |
| Non-paediatric | 55 | 902 | 28 | 16 | 31.0 | 20.6 | 44.9 | 17.7 | 10.1 | 28.8 |
| All | 63 | 1032 | 30 | 17 | 29.1 | 19.6 | 41.5 | 16.5 | 9.6 | 26.4 |