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Table 4 Activity stages – Concordance between Activity grades predictions using fasting or postprandial assessments

From: Intra-individual fasting versuspostprandial variation of biochemical markers of liver fibrosis (FibroTest) and activity (ActiTest)

   Fasting  
Postprandial No or minimal Activity Moderate Activity Severe Activity
No or minimal Activity 51 1 0
Moderate Activity 2 3 1
Severe Activity 0 0 6
  1. Kappa statistic = 0.80 (SD = 0.77); p < 0.001; almost perfect concordance.