Journal of Autoimmune Diseases

Table 1 Characteristics of subjects evaluated for autoantibodies.

From: Evaluation of autoantibodies to common and neuronal cell antigens in Chronic Fatigue Syndrome

	CFS	Non-Fatigued
Atlanta Case Control
Subjects (n = 56)	22	34
Female (n = 52)	19	33
Male (n = 4)	3	1
Age Group (yrs)
18–29 (n = 9)	3	6
30–39 (n = 18)	7	11
40–49 (n = 23)	12	11
50–59 (n = 6)	0	6
Mean Age	39 years	38 years
Mean Age Onset	35 years
Onset type
Sudden	8
Gradual	14
Mean Illness Duration	69 months
Number of Subjects Ill
< 5 years	10
>5 years	12
Wichita Population
Subjects (n = 94)	37	57
Female (n = 64)	31	33
Male (n = 30)	6	24
Age Group (yrs)
18–29 (n = 14)	1	13
30–39 (n = 18)	8	10
40–49 (n = 26)	13	13
50–69 (n = 36)	15	21
Mean Age	46 years	42 years
Mean Age Onset	36 years
Onset type
Sudden	5
Gradual	32
Mean Illness Duration	128 months
Number of Subjects Ill
< 5 years	14
>5 years	23

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