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Table 2 LMEM results, change in muscle fat fraction scores from baseline to follow-up. Separate models run for each leg compartment fat fraction score, where beta coefficient corresponds to time from baseline to follow-up

From: Longitudinal study of MRI and functional outcome measures in facioscapulohumeral muscular dystrophy

Muscle fat fraction score Beta [95% CI] P-value Reference:
Median [IQR] Score at baseline IQR change in Score from baseline to follow-up
Muscle Fat Fraction Burden Index 0.35 [0.15, 0.54] <.001 2.90 [1.54, 5.79] [−0.12, 0.62]
DA leg compartment score 0.00 [−0.03, 0.04] 0.78 0.16 [0.09, 1.14] [−0.06, 0.02]
DP leg compartment score 0.12 [0.01, 0.22] 0.026 1.00 [0.48, 2.74] [−0.15, 0.20]
PA leg compartment score 0.12 [0.06, 0.18] <.001 0.55 [0.34, 0.92] [−0.03, 0.18]
PP leg compartment score 0.11 [0.04, 0.18] 0.001 0.76 [0.14, 1.45] [−0.03, 0.10]