Skip to main content

Table 1 Athlete characteristics

From: Evidence of a distinct peripheral inflammatory profile in sport-related concussion

Variable SRC (n = 43) MSK injury (n = 30) Healthy (n = 102)
Age (years) 21.2 (18.9–22.1) 20.9 (19.9–22.7) 21.2 (19.6–22.3)
Sex (n, % male) 21 (48.8) 17 (56.7) 54 (52.9)
Sport (n, %)
 Basketball 2 (4.6) 1 (3.3) 12 (11.8)
 Field hockey 2 (4.6) 10 (9.8)
 Football 6 (13.9) 3 (10.0) 12 (11.8)
 Ice hockey 10 (23.2) 8 (26.7) 19 (18.6)
 Lacrosse 5 (11.6) 2 (6.7) 11 (10.8)
 Mountain biking 1 (2.3)
 Rugby 13 (30.2) 7 (23.3) 11 (10.8)
 Soccer 1 (2.3) 3 (10.0) 18 (17.6)
 Swimming 1 (3.3)
 Track and field 3 (10.0)
 Volleyball 3 (7.0) 2 (6.7) 8 (7.8)
 Water polo 1 (1)
Symptoms*
 Days to assessment from injury 4 (3–5) 4 (3–6)
 Total symptoms 9.5 (5.0–14.2)a,b 2.0 (1.0–4.2) 2.0. (0–4.0)
 Symptom severity 16.0 (5.7–29.7)a,b 2.5 (1.0–5.7) 2.0 (0–6.0)
Days to blood sample from injury 4 (range = 2–7) 5 (range = 2–8)
Days to medical clearance 25.0 (15.0–55.5) 33.5 (23.5–57.2)
Concussion history (n, %) 25 (58.1) 14 (46.7) 55 (55.0)**
 Time since last concussion (years) 3.2 (1.5–6.6) 4.1 (2.4–4.3) 4.0 (2.7–5.7)
  1. All values are reported as the median and interquartile range, unless otherwise stated
  2. SRC sport-related concussion, MSK musculoskeletal, SCAT sport concussion assessment tool
  3. *Symptom scores at the time of blood draw
  4. **Two subjects did not report on their concussion history and this value was calculated from n = 100
  5. aFDR corrected at 0.05 vs. healthy controls
  6. bFDR corrected at 0.05 vs. MSK injury