Table 1. Comparison of Demographic, Medical History, and Injury Information Data Between Groups With Early and Late First Clinic Visitsa.
| Characteristic | Patients, No./Total No. (%) | ||
|---|---|---|---|
| Early Group | Late Group | Total | |
| Age, mean (SD), y | 15.3 (1.6) | 15.4 (1.6) | 15.3 (1.6) |
| Female | 51/98 (52.6) | 40/64 (62.5) | 91/162 (56.2) |
| Concussion history | 41/98 (41.8) | 20/64 (31.3) | 61/162 (37.7) |
| Migraine history | 32/98 (32.7) | 25/64 (39.1) | 57/162 (35.2) |
| Psychiatric history | 13/98 (13.3) | 6/64 (9.4) | 19/162 (11.7) |
| Attention-deficit/hyperactivity disorder or learning disorder | 7/97 (7.2) | 2/64 (3.1) | 7/161 (4.3) |
| Loss of consciousness | 9/98 (9.2) | 8/64 (12.5) | 17/162 (10.5) |
| Posttraumatic amnesia | 13/87 (14.9) | 13/63 (20.6) | 26/150 (17.3) |
| Confusion or disorientation | 20/87 (23.0) | 10/64 (15.6) | 30/151 (19.9) |
| First clinic visit to recovery, mean (SD), d | 47.4 (60.1) | 54.5 (46.7) | 51.0 (53.4) |
a
The early group attended a first clinic visit within 7 days (n = 98); the late group, between 8 and 20 days (n = 64).