Table 1 Summary of the Study Populations
Variable | Participants with Persistent Post-Traumatic Headache (n = 97) | Healthy Controls (n = 96) | Z-scores | P Values |
|---|---|---|---|---|
Age, mean (SD), y | 35.8 (11.6) | 35.9 (11.4) | 0.07 | 0.95 |
Male/Female, n | 17/80 | 17/79 | - | 1.00 |
Height, mean (SD), cm | 171.6 (8.0) | 171.2 (8.8) | 0.59 | 0.55 |
Weight, mean (SD), kg | 72.4 (14.5) | 71.7 (14.2) | 0.59 | 0.56 |
BMI, mean (SD), kg/m2 | 24.5 (4.2) | 24.4 (3.7) | 0.53 | 0.59 |
WMHs, | ||||
 Mean (SD) | 2.7 (7.1) | 2.1 (3.9) | 0.56 | 0.58 |
 No WMHs, n (%) | 54 (55.7) | 48 (50.0) |  | - |
  ≥ 1 WMH, n (%) | 43 (44.3) | 48 (50.0) |  | 0.47 |
  ≥ 2 WMHs, n (%) | 30 (30.9) | 34 (35.1) |  | - |
  ≥ 3 WMHs, n (%) | 20 (20.6) | 20 (20.8) |  | - |
CMBs, | ||||
 Mean (SD) | 0.03 (0.2) | 0.04 (0.2) | 0.02 | 0.98 |
 No CMBs, n (%) | 94 (96.9) | 93 (96.9) |  | - |
  ≥ 1 CMB, n (%) | 3 (3.1) | 3 (3.1) |  | 1.00 |
 2 CMBs, n (%) | 0 (0.0) | 1 (1.0) |  | - |