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Characteristics of the Three Study Populations
| Characteristic | CFS Cases | Family members w/o CFS | Unrelated healthy controls | |||
|---|---|---|---|---|---|---|
| Number of participants | 11 | 22 | 16 | |||
| Number of families | 5 | 5 | 16 | |||
| Age in years, mean +/− SD | 45.5 +/− 21.3 | 46.2 +/− 14.7 | 42.8 +/− 18.6 | |||
| Sex | Number | % | Number | % | Number | % |
| Female | 9 | 81.8 | 12 | 54.5 | 12 | 75.0 |
| Male | 2 | 18.2 | 10 | 45.5 | 4 | 25.0 |
