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Table 2 Passing-Bablok analysis between laboratories and reference center (LAB 1) for each component

From: A prospective assessment of the inter-laboratory variability of biochemical markers of fibrosis (FibroTest) and activity (ActiTest) in patients with chronic liver disease

  LAB 2 LAB 3 LAB 4 LAB 5 LAB 6 LAB 7 LAB 10 LAB 11
α2-macroglobulin         
   Intercept (alpha) -0.05 0.13 -0.10 0.22 0.07 0.19 0.13 0.00
   Slope (beta) 0.99 1.04 1.08 0.97 1 0.98 0.94 1.24
   Pair out of bounds (n) 0 7 3 8 1 5 3 11
Haptoglobin         
   Intercept (alpha) 0.01 0.02 0.01 0.02 -0.05 0.01 0.02 0.02
   Slope (beta) 1 0.98 1 0.94 0.99 1.04 1 0.94
   Pair out of bounds (n) 0 0 2 2 1 0 0 2
Apolipoprotein A1         
   Intercept (alpha) 0.25 0.02 0.11 -0.04 0.00 -0.04 -0.08 -0.04
   Slope (beta) 0.85 0.99 0.87 0.81 1 0.90 1.12 1
   Pair out of bounds (n) 0 0 0 17 0 4 0 0
Total bilirubin         
   Intercept (alpha) -2.52 -0.50 -0.03 3.97 0.28 0.05 -5.23 0.30
   Slope (beta) 0.95 1 0.58 0.92 0.99 1.18 2.34 0.92
   Pair out of bounds (n) 4 1 6 0 1 4 3 3
Transaminases – ALT         
   Intercept (alpha) 15.33 15.00 -0.83 -1.78 0.91 2.99 2.38 -3.33
   Slope (beta) 0.98 1 1.04 0.85 0.86 0.79 0.75 1.06
   Pair out of bounds (n) 18 19 1 19 12 16 19 1
γ-glutamyl transpeptidase         
   Intercept (alpha) 7.54 2.48 0.83 10.69 1.56 -0.84 4.72 7.40
   Slope (beta) 1.26 1.25 1.01 0.74 1.06 0.90 0.73 1.04
   Pair out of bounds (n) 18 20 1 10 4 4 16 12