Groups | AG | NAG | total | P Value |
endoscopy | 3,641 (5.89%) | 58,169 (94.14%) | 61,810 | p < 0.001 |
biopsy | 2,631 (9.68%) | 24,543 (90.32%) | 27,174 | |
total | 6272 | 82,712 | 88,984 |