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Table 3 Median fat fraction at baseline and change after 12 months based on STIR rating

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

STIR Median [IQR] fat fraction at baseline Median [IQR] fat fraction change Number
0 0.10 [0.06,0.54] 0.005 [−0.02,0.03] 399
1 0.09 [0.05,0.17] 0.005 [−0.01,0.03] 54
2 0.10 [0.05,0.31] 0.012 [−0.01,0.07] 37
3/4 0.17 [0.09,0.45] 0.12 [0,0.21] 23