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. 2021 Mar 23;479(3):471–479. doi: 10.1007/s00428-021-03082-w

Table 3.

Agreement for each MMR protein as determined by IHC and Idylla MSI test in the consecutive EC Set I (n=33)

IHC dMMR Idylla MSI Idylla MSS MSI/dMMR agreement
MLH1 28 24 4 24/28 (85.7%)
MSH2 4 3 1 3/4 (75.0%)
MSH6 1 0 1 0/1 (0.0%)
Total 33 27 6 27/33 (81.8%)

dMMR deficient MMR protein expression, MMR mismatch repair, MSI microsatellite instable, MSS microsatellite stable