Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. May 14, 2021; 27(18): 2238-2250
Published online May 14, 2021. doi: 10.3748/wjg.v27.i18.2238
Table 4 Serum pepsinogen I/II ratio according to gastric mucosal pattern observed by standard and magnifying narrow-band imaging endoscopy
PG I/II ratioStandard (%)
M-NBI (%)
NormalType AType BType CNormal
Type Z-1
Type Z-2
Type Z-3
> 3 (n = 71)38/39 (97.4)16/25 (64.0)13/46 (28.3)4/17 (23.5)36/36 (100)33/72 (45.8)2/15 (13.3)0/4 (0)
≤ 3 (n = 56)1/39 (2.6)9/25 (36.0)33/46 (71.7)13/17 (76.5)0/36 (0)39/72 (54.2)13/15 (86.7)4/4 (100)