Skip to main content
. 2012 Jun 15;9:129. doi: 10.1186/1742-2094-9-129

Table 1.

Intra- and inter-laboratory agreement of the NAb testing in terms of NAb positive versus NAb negative status

Laboratory A(I) B C D
A(II)
 0.86
 0.87
 0.68
 0.63
B
  
  
 0.65
 0.60
C       0.57

Kappa values are shown for the individual laboratory comparisons. A (I): original analysis in Laboratory A (MxA induction assay); A(II) re-analysis of samples in Laboratory A (MxA induction assay); B, Laboratory B (CPE assay); C, Laboratory C (CPE assay); D, Laboratory D (luciferase assay).