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Table 1 Characteristics of subjects evaluated for autoantibodies.

From: Evaluation of autoantibodies to common and neuronal cell antigens in Chronic Fatigue Syndrome

  CFS Non-Fatigued
Atlanta Case Control   
Subjects (n = 56) 22 34
Female (n = 52) 19 33
Male (n = 4) 3 1
Age Group (yrs)   
18–29 (n = 9) 3 6
30–39 (n = 18) 7 11
40–49 (n = 23) 12 11
50–59 (n = 6) 0 6
Mean Age 39 years 38 years
Mean Age Onset 35 years  
Onset type   
   Sudden 8  
   Gradual 14  
Mean Illness Duration 69 months  
Number of Subjects Ill   
   < 5 years 10  
   >5 years 12  
Wichita Population   
Subjects (n = 94) 37 57
Female (n = 64) 31 33
Male (n = 30) 6 24
Age Group (yrs)   
18–29 (n = 14) 1 13
30–39 (n = 18) 8 10
40–49 (n = 26) 13 13
50–69 (n = 36) 15 21
Mean Age 46 years 42 years
Mean Age Onset 36 years  
Onset type   
   Sudden 5  
   Gradual 32  
Mean Illness Duration 128 months  
Number of Subjects Ill   
   < 5 years 14  
   >5 years 23