Table 3.
Total numbers of pyloric/pseudopyloric metaplasia glands with/without TFF2 expression in all the 22 cases
| Metaplasia | TFF2 staining | Total | Percent/total | TFF2-positive ratio* | |
|---|---|---|---|---|---|
| + | − | ||||
| Pyloric (PGI−) | 409 | 972 | 1381 | 88.1% | 29.6% |
| Pseudopyloric (PGI+) | 27 | 159 | 186 | 11.9% | 14.5% |
| Total | 436 | 1131 | 1567 | 100.0% | |
Pseudopyloric metaplasia was idenfitied with PGI staining. The numbers of pyloric and pseudopyloric metaplasia glands were counted in all the 22 sections. Among them, the numbers of TFF2-positive and -negative glands were also counted
TFF2 trefoil factor family 2, PGI pepsinogen I
*P<0.01, chi-square test