Incidence of illness by primary physiological system affected for athletes competing at the Rio 2016 Summer Paralympic Games, in descending order of illness incidence rate
| Physiological system | Total number of illnesses (percentage of total number of illnesses) | Number of athletes with an illness | Proportion of athletes with an illness (%) | Illness incidence rate: number of illnesses/1000 athlete days (95% CI) |
| All | 511 (100) | 454 | 12.4 | 10.0 (9.2 to 10.9) |
| Respiratory | 167 (32.7) | 162 | 4.4 | 3.3 (2.8 to 3.8) |
| Skin and subcutaneous | 91 (17.8) | 86 | 2.4 | 1.8 (1.4 to 2.2) |
| Digestive | 66 (12.9) | 65 | 1.8 | 1.3 (1.0 to 1.6) |
| Genitourinary | 55 (10.8) | 54 | 1.5 | 1.1 (0.8 to 1.4) |
| Other signs and symptoms | 27 (5.3) | 27 | 0.7 | 0.5 (0.4 to 0.8) |
| Nervous | 21 (4.1) | 20 | 0.5 | 0.4 (0.3 to 0.6) |
| Mental and brain | 19 (3.7) | 18 | 0.5 | 0.4 (0.2 to 0.6) |
| Ears and mastoid | 15 (2.9) | 15 | 0.4 | 0.3 (0.2 to 0.5) |
| Eye and adnexa | 13 (2.5) | 13 | 0.4 | 0.3 (0.1 to 0.4) |
| Circulatory | 12 (2.3) | 12 | 0.3 | 0.2 (0.1 to 0.4) |
| Specific sport-related conditions | 11 (2.2) | 11 | 0.3 | 0.2 (0.1 to 0.4) |
| Other infections and parasites | 8 (1.6) | 8 | 0.2 | 0.2 (0.1 to 0.3) |
| Endocrine, nutrition and metabolic | 3 (0.6) | 3 | 0.1 | 0.1 (0.0 to 0.2) |
| Haematological and immune | 3 (0.6) | 3 | 0.1 | 0.1 (0.0 to 0.2) |