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Table 1 Proton density fat fraction (PDFF), relative cross-sectional area (relCSA), and relative maximum voluntary isometric contraction (relMVIC) in extension and flexion

From: Associations of thigh muscle fat infiltration with isometric strength measurements based on chemical shift encoding-based water-fat magnetic resonance imaging

 MalesFemalesp value
PDFF and relCSA
 PDFF quadriceps (%)Left2.7 ± 1.33.6 ± 1.30.162
Right1.7 ± 1.32.7 ± 1.30.105
 PDFF ischiocrural (%)Left3.2 ± 1.64.6 ± 2.00.091
Right2.6 ± 1.94.9 ± 2.40.025
 relCSA quadriceps (%)Left26.5 ± 4.021.3 ± 4.10.010
Right25.8 ± 4.221.8 ± 3.70.035
 relCSA ischiocrural (%)Left8.3 ± 2.46.0 ± 2.40.045
Right7.5 ± 3.06.6 ± 1.60.418
RelMVIC in extension and flexion
 relMVIC in extension (N*m3/kg)Left8.0 ± 1.25.9 ± 1.0< 0.001
Right8.8 ± 1.36.4 ± 0.9< 0.001
 relMVIC in flexion (N*m3/kg)Left4.0 ± 0.63.0 ± 0.5< 0.001
Right4.3 ± 0.62.7 ± 0.7< 0.001
  1. Data are expressed as mean ± standard deviation