Table 1. Demographic characteristics of study participants.
| Characteristics | Total |
|---|---|
| N = 22 | |
| Mean age, years (S.E.)* | 27 (19–50, 10.08) |
| Gender (%) | |
| Females | 8 (36) |
| Males | 15 (64) |
| Blood Type (%) | |
| A | 7 (32) |
| B | 4 (18) |
| O | 10 (45) |
| AB | 1 (5) |
*S.E. Standard Error
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