|  |  |  | LDX Dose | |||
---|---|---|---|---|---|---|---|
Category | Â | Age Group | Statistic | 30 mg/d | 50 mg/d | 70 mg/d | All doses |
Age (y) | Â | 6-9 | n | 27 | 15 | 6 | 48 |
 |  |  | Mean (SD) | 8.5 (0.75) | 8.5 (0.74) | 8.0 (0.89) | 8.5 (0.77) |
 |  | 10-12 | n | 31 | 35 | 15 | 81 |
 |  |  | Mean (SD) | 10.9 (0.96) | 10.9 (0.73) | 11.4 (1.12) | 11.0 (0.91) |
Sex* | Male | 6-9 | n (%) | 18 (66.7) | 13 (86.7) | 6 (100) | 37 (77.1) |
 | Female |  | n (%) | 9 (33.3) | 2 (13.3) | 0 | 11 (22.9) |
 | Male | 10-12 | n (%) | 26 (83.9) | 24 (68.6) | 11 (73.3) | 61 (75.3) |
 | Female |  | n (%) | 5 (16.1) | 11 (31.4) | 4 (26.7) | 20 (24.7) |
Weight (lb) | Â | 6-9 | n | 27 | 15 | 6 | 48 |
 |  |  | Mean (SD) | 62.2 (8.78) | 65.0 (13.75) | 53.1 (2.50) | 61.9 (10.62) |
 |  | 10-12 | n | 31 | 35 | 15 | 81 |
 |  |  | Mean (SD) | 78.9 (16.36) | 79.0 (18.64) | 80.7 (17.29) | 79.3 (17.34) |
Height (in) | Â | 6-9 | n | 27 | 15 | 6 | 48 |
 |  |  | Mean (SD) | 51.2 (2.30) | 52.1 (2.29) | 49.3 (2.04) | 51.3 (2.38) |
 |  | 10-12 | n | 31 | 35 | 15 | 81 |
 |  |  | Mean (SD) | 56.2 (2.84) | 56.2 (3.08) | 57.3 (2.79) | 56.4 (2.93) |
Body mass index (kg/m2) | Â | 6-9 | n | 27 | 15 | 6 | 48 |
 |  |  | Mean (SD) | 16.6 (1.44) | 16.7 (2.38) | 15.4 (1.28) | 16.5 (1.78) |
 |  | 10-12 | n | 31 | 35 | 15 | 81 |
 |  |  | Mean (SD) | 17.4 (2.45) | 17.4 (2.67) | 17.2 (2.55) | 17.4 (2.53) |