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Demographic and clinical characteristics of the study participants.
| ME/CFS (n = 55) | HC (n = 55) | P | |
|---|---|---|---|
| DEMOGRAPHIC VARIABLES | |||
| Age, mean (SD) | 16.5 (2.1) | 17.1 (3.0) | 0.25 |
| Gender | 1 | ||
| Male | 9 | 9 | |
| Female | 46 | 46 | |
| Racial group | 0.23 | ||
| White | 52 | 51 | |
| American Indian | 2 | 0 | |
| Asian/Pacific Islander | 1 | 2 | |
| Other | 0 | 2 | |
| Hispanic | |||
| No | 55 | 52 | |
| Yes | 0 | 3 | |
| TYPE OF ME/CFS ONSET (n = 55) | |||
| Abrupt | 25 | ||
| Gradual | 22 | ||
| Abrupt on gradual | 8 | ||
