EEG spectral coherence data distinguish chronic fatigue syndrome patients from healthy controls and depressed patients-A case control study

Table 1 Patient Subgroups

Unmedicated (Total n = 531)
Category	Total	Mean Age (SD)
Control Females	197	46.5 (18.6)
Control Males	193	44.3 (18.2)
Chronic Fatigue Syndrome Females	38	42.2 (10.6)
Chronic Fatigue Syndrome Males	9	38.6 (11.4)
Depressed Females	10	45.8 (17.6)
Depressed Males	7	47.2 (11.0)
Fatigued Females	60	41.8 (9.3)
Fatigued Males	17	39.7 (8.6)
Medicated (Total n = 101)
Category	Total	Mean Age (SD)
Chronic Fatigue Syndrome Females	18	43.3 (13.6)
Chronic Fatigue Syndrome Males	5	32.3 (12.4)
Depressed Females	4	37.5 (24.3)
Depressed Males	3	33.9 (5.4)
Fatigued Females	63	41.6 (11.6)
Fatigued Males	8	32.3 (16.2)

Subject Cohort: numbers per group, mean ages (SD = standard deviation).
Controls = Unmedicated, normal control subjects, healthy by physician evaluation,
CFS = Patients meeting CDC criteria for chronic fatigue syndrome, otherwise healthy
Fatigue = Referred patients with non-specific fatigue, CFS status unknown, otherwise healthy
Depression = Physician referred DSM-IV criteria for depression, otherwise healthy.

ISSN: 1471-2377