Demographics and medications by treatment arm
| . | Regadenoson, n = 53 . | Placebo, n = 47 . | P . |
|---|---|---|---|
| Age, median (range), y | 25 (10-54) | 26 (13-56) | .29 |
| Pediatric, <18 y (%) | 6 (11) | 8 (17) | .57 |
| Sex (%) | .42 | ||
| Female | 22 (42) | 24 (51) | |
| Male | 31 (58) | 23 (49) | |
| Race (%) | 1.0 | ||
| Black or African American | 49 (92) | 44 (94) | |
| Other | 4 (8) | 3 (6) | |
| Currently taking hydroxyurea (%) | 38 (72) | 33 (70) | 1.0 |
| . | Regadenoson, n = 53 . | Placebo, n = 47 . | P . |
|---|---|---|---|
| Age, median (range), y | 25 (10-54) | 26 (13-56) | .29 |
| Pediatric, <18 y (%) | 6 (11) | 8 (17) | .57 |
| Sex (%) | .42 | ||
| Female | 22 (42) | 24 (51) | |
| Male | 31 (58) | 23 (49) | |
| Race (%) | 1.0 | ||
| Black or African American | 49 (92) | 44 (94) | |
| Other | 4 (8) | 3 (6) | |
| Currently taking hydroxyurea (%) | 38 (72) | 33 (70) | 1.0 |