Percent of patients with ME/CFS and controls with/without a family history of ME/CFS

Family history statusME/CFS
(n = 400)
Controls
(n = 414)
TotalSignificance level
% (n)% (n)
Family history18.0 (72)3.9 (16)88< 0.05
No family history82.0 (328)96.1 (398)726