Table 4 LMEM results, 6MWT and Go-30-Feet regressed on visit and Muscle Fat Fraction Burden Index. Fat burden index coefficient corresponds to an IQR change increase
From: Longitudinal study of MRI and functional outcome measures in facioscapulohumeral muscular dystrophy
Variable | 6MWT (AIC = 710.54) | Go-30-Feet (AIC = 253.60) | ||
|---|---|---|---|---|
Beta [95% CI] | P-value | Beta [95% CI] | P-value | |
Intercept | 495.5 [448.1, 543.7] | <.001 | 4.32 [3.18, 5.51] | <.001 |
Follow-up vs baseline | −7.66 [−32.36, 17.35] | 0.54 | 0.16 [−0.34, 0.65] | 0.51 |
Muscle Fat Fraction Burden Index | −18.63 [−26.20, −11.04] | <.001 | 0.37 [0.18, 0.55] | <.001 |