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FMBS score distribution. The arrow at y = 3.75% corresponds to the FMBS threshold selected for the enrolled subjects’ arbitrary UP and DOWN categorization (see Section 4). Green diamonds have FMBS values < 3.75% (DOWN group), and red diamonds have FMBS values > 3.75% (UP group). The boxes are determined by the 25th and 75th percentiles; the dotted line corresponds to the mean (3.4%).
