Skip to main content

Advertisement

Table 1 Characteristics of Subjects in Cohort 1 Evaluated for XMRV.

From: Xenotropic murine leukemia virus-related virus is not associated with chronic fatigue syndrome in patients from different areas of the us in the 1990s

  Chronic fatigue syndrome Idiopathic chronic fatigue Health blood donors Non-CFS virus disease1
No. persons 61 6 9 3
XMRV+/- 9/52 0/6 0/9 0/3
Age, yrs XMRV+/-    
Mean 44/43 41 35 41
Median 45/43 42 31 41
Range 30-54/21-61 28-61 16-54 20-56
White (%) 100/94 100 100 67
Women (%) 100/75 83 88 67
Mean yrs. of illness 5/6 5 NA NA
Residential geographic zone2 (%)     
Midwest 56/36 67 50 33
Northeast 0/13 0 0 0
South 22/36 33 50 67
West 22/15 0 0 0
  1. CFS. chronic fatigue syndrome; NA, not applicable
  2. 1Non-CFS viral diseases: one case each of chronic active hepatitis B virus infection, echovirus 6 associated meningoencephalitis; and acute Epstein-Barr virus infection, early convalescent stage.
  3. 2Geographic zones based on Census Regions and Divisions of the United States, U.S. Department of Commerce Economics and Statistics Administration, U.S. Census Bureau