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Table 1 Statistics on CFS patients and controls from the U.S

From: Serologic and PCR testing of persons with chronic fatigue syndrome in the United States shows no association with xenotropic or polytropic murine leukemia virus-related viruses

     

Race

Gender

Population

N

States

AvgAge

Avg Duration of Illness

Caucasian

Other

Female

Male

Severe CFS

31

17

44

12.8 yrs

87%

13%

61%

39%

Unclassified CFS

14

9

40

12.3 yrs

79%

21%

86%

14%

CFS Negative

42

12

23

n/a

71%

29%

45%

55%

TOTAL

87

21

  

78%

22%

57%

43%

  1. Shows the number of states within the U.S. that participants were recruited from, the average participant age, the average time since the onset of CFS symptoms, the race and gender of participants from each class of sample.