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Demographic characteristics of healthy individuals and patients.
| VARIABLES | HEALTHY INDIVIDUALS (n = 30) | PATIENTS (n = 42) |
|---|---|---|
| Age range (years) | 19–54 | 15–69 |
| Gender, n (%) | ||
| Male | 14 (46.7%) | 23 (54.8%) |
| Female | 16 (53.3%) | 19 (45.2%) |
| Blood group, n (%) | ||
| O | 13 (43.3%) | 11 (26.2%) |
| Non-O | 17 (56.7%) | 31 (73.8%) |
