Table 1.

Sample Characteristics (n = 188).

Variable	Value
Age in years, mean (SD)	58.6 (11.6)
Gender, female %	89.4 (168)
Duration of illness in years, mean (SD)	18.9 (10.6)
Onset with viral illness, % (n)	40.4 (76)
Diagnosis of CFS, % (n)	96.8 (182)
Diagnosis of FMS, % (n)	94.1 (177)
Self-reported feeling post-treatment, % (n)
Much worse Worse Same Better Much better	2.7 (5) 3.2 (6) 34.0 (64) 46.8 (88) 13.3 (25)

Note: CFS: chronic fatigue syndrome; FMS: fibromyalgia.