The incidence rate (IR) (per 1000 athlete-days with 95% CI) in each system in the precompetition (156 illnesses) and the competition period (501 illnesses)
| System | Precompetition period | Competition period | ||
|---|---|---|---|---|
| N | IR | N | IR | |
| Respiratory | 42 | 3.93 (2.83 to 5.31) | 138 | 3.52 (2.96 to 4.16) |
| Skin and subcutaneous tissue | 29 | 2.71 (1.82 to 3.89) | 91 | 2.32 (1.87 to 2.85) |
| Digestive | 21 | 1.96 (1.22 to 3.00) | 74 | 1.89 (1.48 to 2.37) |
| Nervous system | 19 | 1.78 (1.07 to 2.77) | 44 | 1.12 (0.82 to 1.51) |
| Genitourinary | 18 | 1.68 (1.00 to 2.66) | 38 | 0.97 (0.69 to 1.33) |
| Ears and mastoid | 12 | 1.12 (0.58 to 1.96) | 32 | 0.82 (0.56 to 1.15) |
| Eye and adnexa | 5 | 0.47 (0.15 to 1.09) | 20 | 0.51 (0.31 to 0.79) |
| Endocrine, nutritional, metabolic | 0 | – | 8 | 0.20 (0.09 to 0.40) |
| Mental or behavioural | 0 | – | 7 | 0.18 (0.07 to 0.37) |
| Specific medical conditions related to sport | 0 | – | 7 | 0.18 (0.07 to 0.37) |
| Circulatory | 2 | 0.19 (0.02 to 0.68) | 1 | 0.03 (0.00 to 0.14) |
| Haematological and immune | 0 | – | 3 | 0.08 (0.02 to 0.22) |
| Other infections/parasitic disease | 0 | – | 2 | 0.05 (0.01 to 0.18) |
| Other | 8 | 0.75 (0.32 to 1.47) | 36 | 0.92 (0.64 to 1.270 |
IR: incidence rate (illness per 1000 athlete-days) with 95% CI.
N, number of illnesses reported.