Summary table for sample demographics
| Demographic | Pediatric (n = 50) | Adult (n = 45) | Xtreme (n = 200) |
|---|---|---|---|
| % (n) | |||
| Ethnicity | |||
| African American | 12 (6) | 2 (1) | 4.5 (9) |
| American Indian | 2 (1) | 0 (0) | 0 (0) |
| Asian | 2 (1) | 2 (1) | 1.5 (3) |
| White | 66 (33) | 87 (39) | 86 (172) |
| Hispanic | 12 (6) | 9 (4) | 8 (16) |
| Sex | |||
| Female | 32 (16) | 38 (17) | 50 (100) |
| Male | 68 (34) | 62 (28) | 50 (100) |
| Age range | 13 days–20 yr | 21–78 yr | 11–83 yr |