Table 3.
Pearson correlation coefficients for the statistically significant linear relationships between the Magnetic Resonance Imaging summary measures and the spirometry data at baseline.
| DMD (visit 1, N = 13) |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max CSA | Delta CSA | Mean CSA | Max TDM | Delta TDM | Mean TDM | Delta ANT | Max CNT | Mean CNT | Max PST | Delta PST | Mean PST | |
| Forced vital capacity (N = 12) | 0.696** | 0.609* | 0.647* | 0.777** | 0.617* | 0.666* | – | – | – | 0.654* | 0.619* | 0.639* |
| %Pred (N = 10) | – | – | – | 0.715* | – | 0.795** | – | 0.725* | 0.701* | – | – | – |
| Peak expiratory flow (N = 12) | – | 0.624* | – | – | 0.673* | – | 0.623* | – | – | – | 0.586* | – |
***P ≤ 0.001, **P ≤ 0.01, *P ≤ 0.05.
DMD, Duchenne muscular dystrophy; CSA, cross-sectional area; TDM, total distance of motion.