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Table 1 Participant characteristics

From: Persistent post-traumatic headache vs. migraine: an MRI study demonstrating differences in brain structure

  PPTH (n = 28) Migraine (n = 28) PPTH vs. migraine p-value Healthy controls (n = 28) PPTH vs. healthy controls p-value Migraine vs. healthy controls p-value
Age in years (mean +/− SD) 35.1 +/− 9.6 37.5 +/− 8.5 .33 35.2 +/−9.1 .97 .33
Sex (female:male) 9:19 19:9 .02 19:9 .02 1
Headache Days/Month (mean +/− SD) 16.6 +/− 7.8 16.4 +/− 8.1 .93 N/A N/A N/A
Years with Headache (mean +/− SD) 8.5 +/− 7.8 17.1 +/− 9.3 <.001 N/A N/A N/A
State Anxiety (mean +/− SD) 39.3 +/− 14.4 32 +/− 7.9 .02 24.9 +/− 6 <.001 <.001
Trait Anxiety (mean +/− SD) 47.2 +/− 12.6 36.4 +/− 9.8 <.001 27.4 +/− 5.5 <.001 <.001
Beck Depression Inventory (mean +/− SD) 18.6 +/− 9 6.1 +/− 5.3 <.001 1.5 +/− 1.9 <.001 <.001
  1. PPTH persistent post-traumatic headache, SD standard deviation, N/A not applicable