Maryland thoroughbred jockey exposures and events, 2015–2019
| Exposures | Frequency |
| Race days | 590 |
| Races | 5611 |
| Mounts | 45 284 |
| Jockeys | 670 |
| Events | |
| Incidents* | 184 |
| Incidents resulting in injury | 146 (79.3%) |
| Falls† | 131 |
| Falls resulting in injury | 100 (76.3%) |
| Injuries‡ | 204 |
| Transfers to hospital | 20 |
| Transfers to other medical facility | 21 |
| Incidence (95% CI) | |
| Incidents | |
| Per 1000 race days | 306.8 (266.8 to 356.9) |
| Per 1000 races | 32.8 (28.1 to 37.5) |
| Per 1000 mounts | 4.1 (3.5 to 4.7) |
| Falls | |
| Per 1000 race days | 222.0 (184.0 to 260.1) |
| Per 1000 races | 23.3 (19.3 to 27.3) |
| Per 1000 mounts | 2.9 (2.4 to 3.4) |
| Injuries | |
| Per fall | 1.2 (1.0 to 1.4) |
| Per 1000 race days | 345.8 (298.3 to 393.2) |
| Per 1000 races | 36.4 (31.4 to 41.4) |
| Per 1000 mounts | 4.5 (3.9 to 5.1) |
*Incident: an event that occurred involving the jockey that required enough of a concern or risk of resultant injury that the rider needed an evaluation and injury report to be completed by the racetrack physician.
†Fall: a rider being dislodged from a horse, regardless of its outcome.12
‡Injury: any physical complaint sustained by a person that results from competitive riding, training, or other recognised activity that brings a person into contact, or in the close vicinity and with the potential for contact, with one or more thoroughbred race horses, irrespective of the need for medical attention or time loss from horse racing activities.8