Table 1.
Demographics and Sample Characteristics
| Demographic | M(SD) or N |
|---|---|
| N | 201 |
| Age | 18.32(1.67) |
| Race(N) | |
| White | 158 |
| Non-white | 41 |
| Not reported | 2 |
| Ethnicity (N) | |
| Non-Hispanic/Latino | 178 |
| Hispanic/Latino | 13 |
| Not reported | 10 |
| Education level | |
| College | 162 |
| High school | 39 |
| WTAR Standard Score | 100.38(12.98) |
| BMI | 28.12(5.66) |
| Years of Contact Sport Exposure | 6.34(4.32) |
| Number of Concussions (N) | |
| 0 | 128 |
| 1 | 37 |
| 2+ | 36 |
| Baseline Measures | M(SD) |
| SCAT Symp. Sev. Score | 2.79(5.05) |
| BSI-18 GSI | 3.24(4.82) |
| ImPACT Memory | 0.06(0.88) |
| ImPACT Speed | 0.00(0.87) |
| ln CRP (pg/mL) | 13.31(1.49) |
| ln IL-6 (pg/mL) | −0.67(0.71) |
| ln IL-1RA (pg/mL) | 5.56(0.52) |
M = mean, SD = standard deviation, N = number, NR= Not reported or unknown, WTAR= Wechsler Test of Adult Reading, BMI= Body Mass Index, SCAT Symp. Sev. = Sport Concussion Assessment Tool-3 symptom severity, BSI-GSI= Brief Symptom Inventory Global Severity Index, ImPACT = Immediate Post-Concussion Assessment and Cognitive Testing, ln = natural log transformed, C-reactive Protein (CRP), IL = interleukin, RA = receptor antagonist, pg/mL = picogram per milliliter.