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. 2017 Oct 18;12(10):e0185608. doi: 10.1371/journal.pone.0185608

Table 2. Associations between the levels of viral antibodies and FSS.

Total FSS scores Headache and Gastrointestinal complaints Overtiredness, Dizziness and Musculoskeletal pain
HSV1 (AU) B -.002 -.012 .006
95% CI -.046 to .045 -.075 to .057 -.041 to .052
p .93 .73 .80
EBV (AU) B -.028 -.003 -.034
95% CI -.133 to .068 -.151 to .143 -.127 to .059
p .56 .80 .49
CMV (AU) B -.004 .015 -.016
95% CI -.062 to .055 -.074 to .106 -.067 to .039
p .89 .72 .57
HHV6 (AU) B -.001 -.002 .002
95% CI -.011 to .011 -.017 to .013 -.005 to .009
p .92 .83 .52

HSV1 = herpes simplex virus type 1 antibody levels in the seropositive group (N = 301), EBV = Epstein barr virus antibody levels in the seropositive group (N = 305), CMV = cytomegalovirus antibody levels in the seropositive group (N = 306), HHV6 = human herpes virus 6 antibody levels in the seropositive group (N = 1117). AU = arbitrary units. All analyses were adjusted for sex, BMI, and affective problems and symptom scores in the other symptom group.