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Table 5 Test-retest agreement and reliability

From: Ankle dorsi- and plantar-flexion torques measured by dynamometry in healthy subjects from 5 to 80 years

Parameters Ankle dorsi-flexion Ankle plantar-flexion
Number of subjects 76 74
Mean difference (Nm) 0.76 5.46
p-value (paired t-test) 0.03 <0.0001
SEM (Nm) 3.0 11.0
Relative SEM (%) 11 11
Limits of agreement (Nm) 8.4 30.6
Intra Class Correlation Coefficient 0.94 0.88
  1. SEM= Standard Error of Measurement.