Interobserver Agreement in the Diagnosis of Inflammatory Bowel Disease-Associated Neoplasia in China in Comparison to Subspecialized American Gastrointestinal Pathologists
Table 2
Interpretation of IBD colonic biopsies by four pathologists from China in comparison to the consensus diagnosis from US.
Consensus negative ()
Consensus LGD ()
Consensus HGD ()
Consensus carcinoma ()
Indefinite for dysplasia ()
Reviewer 1
21 (negative) 1 (LGD)
16 (LGD) 3 (IND) 3 (HGD)
3 (HGD)
2 (carcinoma)
1 (negative)
Reviewer 2
20 (negative) 2 (LGD)
20 (LGD) 1 (IND) 1 (HGD)
3 (HGD)
2 (carcinoma)
1 (negative)
Reviewer 3
20 (negative) 1 (IND) 1 (LGD)
21 (LGD) 1 (negative)
2 (HGD) 1 (LGD)
1 (carcinoma) 1 (HGD)
1 (LGD)
Reviewer 4
19 (negative) 3 (IND)
19 (LGD) 2 (negative) 1 (HGD)
2 (HGD) 1 (LGD)
1 (carcinoma) 1 (HGD)
1 (IND)
Note: LGD: low-grade dysplasia; HGD: high-grade dysplasia; IND: indefinite for dysplasia. US consensus is defined as diagnostic agreement by at least 4 participating US GI pathologists.
