Response rates, injuries and illnesses in NOCs of different sizes (measured by number of athletes)
| <10 | 10–49 | 50–99 | >99 | All | |
| NOCs (athletes) | 93 (502) | 56 (1341) | 24 (1635) | 34 (7796) | 207 (11 274*) |
| Injuries (injuries per 100 athletes) | 61 (12.2) | 191 (14.2) | 139 (8.5) | 679 (8.7) | 1101† (9.8) |
| Illnesses (illnesses per 100 athletes) | 27 (5.4) | 90 (6.7) | 51 (3.1) | 429 (5.5) | 613† (5.4) |
| Report forms submitted (%) | 151 (10.0) | 584 (61.3) | 337 (82.6) | 518 (89.6) | 1590 (45.2) |
| Recorded by both NOC and Rio 2016 | |||||
| Injuries (%) | 2 (3.2) | 12 (6.3) | 16 (11.4) | 36 (5.3) | 66‡ (6.0) |
| Illnesses (%) | – | 1 (1.0) | 2 (3.8) | 7 (1.5) | 10‡ (1.5) |
| Recorded only by NOCs | |||||
| Injuries (%) | 12 (19.7) | 120 (62.8) | 72 (51.4) | 422 (62.2) | 654‡ (59.3) |
| Illnesses (%) | 6 (22.2) | 57 (63.3) | 34 (66.6) | 313 (73.0) | 426‡ (69.5) |
| Recorded only by Rio 2016 | |||||
| Injuries (%) | 47 (75.8) | 53 (27.6) | 48 (34.3) | 145 (21.2) | 293‡ (26.6) |
| Illnesses (%) | 21 (77.8) | 24 (24.2) | 13 (24.5) | 37 (8.1) | 95‡ (14.5) |
*15 double-starters excluded.
† NOC is missing for 31 injuries and 16 illnesses.
‡ Test for duplicate not possible for 88 injuries and 82 illnesses where accreditation number was missing.
NOC, National Olympic Committee.