ABC Classification Is Less Useful for Older Koreans Born before 1960.
Hyungyung KwonSun-Young LeeJun Hyun KimSang Pyo LeeJeong Hwan KimIn-Kyung SungHyung Seok ParkChan Sup ShimPublished in: Gut and liver (2020)
Among the group A subjects, 22.2% had past infection. The risk was higher in subjects older than 50 years, especially those born before 1960. Furthermore, current infection was found in 3.1% of the subjects and was correlated with increased gastric secretory ability.