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

Table 5.

Agreement for each MMR protein as determined by IHC and Idylla MSI test in all EC samples (EC Set I and Set II; n=66)

IHC dMMR Idylla MSI Idylla MSS MSI/dMMR agreement
MLH1 41 35 6 35/41 (85.4%)
MSH2 8 7 1 7/8 (87.5%)
MSH6 17 6 11 6/17 (35.3%)
Total 66 48 18 48/66 (72.7%)

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