Illness incidence and illness burden among male professional football players
| Total N (%) | Illness incidence* | Illness burden† | |
|---|---|---|---|
| All illnesses | 1861 | 1.48 (1.41–1.54) | 7.0 |
| Respiratory tract | 1072 (58%) | 0.85 (0.80–0.90) | 3.2 |
| Gastrointestinal | 518 (28%) | 0.41 (0.38–0.45) | 1.1 |
| Neurological‡ | 69 (4%) | 0.05 (0.04–0.07) | 0.4 |
| Unexplained fatigue | 65 (4%) | 0.05 (0.04–0.06) | 0.2 |
| Psychological | 11 (0.6%) | 0.01 (0.00–0.01) | 0.1 |
| Cardiovascular | 14 (0.8%) | 0.01 (0.01–0.02) | 0.8 |
| Dental | 12 (0.6%) | 0.01 (0.00–0.01) | 0.03 |
| Renal | 7 (0.4%) | 0.01 (0.00–0.01) | 0.08 |
| Ophthalmological | 7 (0,4) | 0.01 (0.00–0.01) | 0.06 |
| Other | 93 (5%) | 0.07 (0.06–0.09) | 1.1 |
*Illness incidence reported as illness episodes per 1000 player-days.
†Illness burden was calculated as absence days per 1000 player-days.
‡Neurological including headache, migraine and nausea.