Table 4.
Group mean (SD) of the percentage change from baseline for the summary measures of cross-sectional area (CSA), total distance of motion (TDM) of the diaphragm, and diaphragm length (DIA).
| Duchenne muscular dystrophy (DMD) visit 2 (3 months, N = 10) | DMD visit 3 (6 months, N = 10) | DMD visit 4 (12 months, N = 8) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Delta | Mean | Min | Max | Delta | Mean | Min | Max | Delta | Mean | |
| CSA change (%) | −4.67 (9.5) | 0.38 (16.7) | 17.5 (53.8) | −0.02 (7.78) | 0.81 (20.3) | 1.44 (27.0) | 17.6 (72.6) | 4.66 (18.6) | −15.3 (19.3)* | −3.62 (25.2) | 17.8 (56.1) | −6.53 (20.5) |
| TDM change (%) | −4.13 (6.7) | −1.77 (11.3) | 12.4 (46.0) | −1.24 (7.8) | −0.18 (15.7) | −3.03 (14.6) | 2.85 (57.5) | 0.97 (11.6) | −10.8 (18.4) | −4.97 (14.7) | 14.1 (40.7) | −6.56 (13.9) |
| DIA change (%) | −2.58 (7.3) | −0.41 (13.8) | 10.1 (43.3) | −2.48 (10.0) | 0.96 (10.5) | −1.27 (20.6) | −0.55 (55.1) | −2.88 (15.9) | 0.49 (8.3) | 1.83 (14.3) | 7.63 (39.1) | 0.58 (10.4) |
*P ≤ 0.05 for post hoc pairwise comparisons of absolute measurements between visits, two-tailed.