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Table 2 Bias, lower limit of agreement (LoA), and upper LoA for each muscle imaged in the leg

From: Leg muscle cross-sectional area measured by ultrasound is highly correlated with MRI

  Tibialis Anterior
30%
Tibialis Anterior 50% Tibialis Posterior 30% Tibialis Posterior 50% Flexor Digitorum Longus Fibularis Longus Fibularis Brevis
Bias 0.27 0.30 0.22 0.28 0.04 0.13 0.30
Lower LoA −0.87 −1.46 −0.92 −0.66 − 0.36 −0.45 − 0.31
Upper LoA 1.42 2.06 1.36 1.23 0.44 0.70 0.90