Table 2.
Demographic and anthropometric characteristics of the longitudinal cohort at first study visit.
| Characteristic | Proximal DMD pathogenic variants | Distal DMD pathogenic variants | P-value | ||||
|---|---|---|---|---|---|---|---|
| N (%) | Mean ± SD | Median (IQR, Range) | N (%) | Mean ± SD N (%) | Median (IQR, Range) | ||
| Age (years) | 53 | 6.5 ± 1.4 | 6.2 (2.3, 4.8) | 101 | 6.6 ± 1.9 | 6.5 (2.1, 16.3) | 0.72 |
| Calculated height (cm) * | 53 | 116.0 ± 9.6 | 114.9 (14.2, 38.9) | 100 | 117.4 ± 10.8 | 117.8 (13.7, 79.9) | 0.41 |
| Weight (kg) | 53 | 22.3 ± 5.7 | 21.8 (6.8, 27.5) | 101 | 22.3 ± 7.4 | 20.7 (6.6, 52.9) | 0.98 |
| Ambulatory | 0.99 | ||||||
| Yes | 52 (98.1%) | 100 (99.0%) | |||||
| No | 1 (1.9%) | 1 (1.0%) | |||||
| Ethnicity | 0.17 | ||||||
| Hispanic | 1 (1.9%) | 8 (7.9%) | |||||
| Non-Hispanic | 52 (98.1%) | 93 (92.1%) | |||||
| Race | 0.048 | ||||||
| White | 39 (73.6%) | 71 (70.3%) | |||||
| Black | 0 (0%) | 1 (1%) | |||||
| Pacific Islander | 2 (3.8%) | 0 (0%) | |||||
| Asian | 6 (11.3%) | 24 (23.8%) | |||||
| Other | 4 (7.6%) | 2 (2.0%) | |||||
| Unknown | 2 (3.8%) | 3 (3.0%) | |||||
*
Height calculated from ulna length using Gould equation.