Translational Psychiatry

TABLE 1

FROM:

Immune network analysis of cerebrospinal fluid in myalgic encephalomyelitis/chronic fatigue syndrome with atypical and classical presentations

M Hornig, C G Gottschalk, M L Eddy, X Che, J E Ukaigwe, D L Peterson and W I Lipkin

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Table 1. Characteristics of the study population

VariableAtypical ME/CFS, N=27Classical ME/CFS, N=32P-value
Sex, n (% female)19 (70.4)21 (65.6)0.698a
Age (years), mean (s.d.)46.0 (16.2)49.9 (11.2)0.283b
Duration of illness (years), mean (s.d.)6.7 (7.8)7.7 (6.9)0.209b
    
Duration of illness (categorical), n (%)  0.426a
less than or equal to3 years15 (55.6)14 (43.8) 
>3 years12 (44.4)12 (56.3) 
    
Comorbidity or exposure type, n (%)
Cancerc8 (29.6) 
Immune or inflammatoryd7 (25.9) 
Probable infectione5 (18.5) 
Otherf7 (25.9) 

 Abbreviations: ME/CFS, myalgic encephalomyelitis/chronic fatigue syndrome.

a Chi-squared test.

b Wilcoxon rank-sum test.

c Breast cancer (n=2); brain cancer (n=3); pancreatic cancer (n=1); leukemia/lymphoma (n=2).

d Atypical multiple sclerosis (n=3); autoimmune/inflammatory disorder (n=4).

e West Nile virus encephalitis (n=1); unspecified viral encephalitis (n=1); illness after foreign travel (n=2); illness after blood transfusion (n=1).

f Seizure disorder (n=6); Gulf War Illness (n=1).

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