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 |