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Table 2 Average echo intensity and cross-sectional area of the region of interest (ROI) at before and after the 6 months rehabilitation exercise

From: Evaluation of rehabilitation exercise effects by using gradation-based skeletal muscle echo intensity in older individuals: a one-group before-and-after trial study

  Before (n = 27) After (n = 27) %change
Average echo intensity
 Rectus femoris (a.u.) 4.47 ± 1.09 4.39 ± 0.89* 0.27 ± 13.79
 Vastus lateralis (a.u.) 66.99 ± 14.97 56.08 ± 17.28* −16.85 ± 15.70
 Biceps femoris (a.u.) 59.12 ± 13.24 42.04 ± 13.43* −28.43 ± 21.01
 Thigh muscles (a.u.) 67.20 ± 10.59 52.71 ± 13.10* −22.04 ± 12.57
Cross-sectional area of ROI
 Rectus femoris (cm2) 3.67 ± 1.01 3.51 ± 0.84 −1.19 ± 20.37
 Vastus lateralis (cm2) 4.89 ± 1.73 4.68 ± 1.39 −1.56 ± 17.87
 Biceps femoris (cm2) 4.86 ± 1.41 4.99 ± 1.32 8.99 ± 35.12
 Thigh muscles (cm2) 4.47 ± 1.09 4.39 ± 0.89 0.27 ± 13.79
  1. Values are shown as mean ± SD
  2. * P < 0.05 vs. Before