Qiong Chen1, Chen Cheng2, Yin Liu1, Lanwei Guo1, Huifang Xu1, Hong Wang1, Xiaoyang Wang1, Luyao Zhang1, Shaokai Zhang1, Binbin Han1. 1. Department of Disease Control and Prevention, Henan Provincial Cancer Hospital/Affiliated Cancer Hospital of Zhengzhou University, Henan Engineering Research Center of Cancer Prevention and Control, Henan International Joint Laboratory of Cancer Prevention, Zhengzhou, China. 2. School of Management, Wuhan University of Technology, Wuhan, China.
Abstract
Background: Endoscopic screening program was carried out in Henan Province, China to reduce the large gastric cancer burden, and its effect evidence is insufficient. Knowledge on current status and time-trend of gastric cancer is need for policy makers to optimize the strategy of gastric cancer control. Methods: Gastric cancer data were pooled from registries in the Henan Cancer Registration System which may reflect the whole province cancer incidence and mortality. The pooled registration data, stratified by area (urban/rural), gender, and age groups, was combined with the provincial population data to estimate the incidence and mortality of gastric cancer in Henan Province. The Segi's world standard population was applied to calculate the age-standardized rate. Joinpoint regression was used to analyze the time-trend in the incidence and mortality. Results: Gastric cancer was diagnosed in 33,971 patients in 2018, ranking second among all cancers. The crude incidence and age-standardized incidence rate (ASIRW) per 100,000 population were 31.15 and 23.05, respectively. In 2018, there were an estimated 25,921 gastric cancer-related deaths, ranking second among all cancer-related deaths. The crude mortality rate and age-standardized mortality rate by world standard population (ASMRW) were respectively 23.77 and 16.80 per 100,000 population. Gender and geographical differences were observed. Notably, the ASIRW and ASMRW were higher in males than females and higher in rural areas than urban areas. For ASIRW and ASMRW, the male to female ratio was 2.50 and 2.71, respectively, and the rural to urban ratio was 1.23 and 1.24, respectively. Declines in the incidence [average annual percent change (AAPC): -3.9%, P=0.001] and mortality (AAPC: -3.1%, P=0.004) of gastric cancer were observed in rural areas due to declines in the incidence and mortality among residents aged 40-69 years. The overall trend of ASIRW and ASMRW were observed to decline with AAPCs of -3.5% (P=0.003) and -2.8% (P=0.007), respectively. Conclusions: Gastric cancer incidence and mortality decreased in Henan Province, China, from 2010 to 2018, which may due to the implementation of endoscopic screening for gastric cancer in rural areas. The disease burden, however, remains high, and screening strategies and measures to reduce it should be strengthened. 2022 Annals of Translational Medicine. All rights reserved.
Background: Endoscopic screening program was carried out in Henan Province, China to reduce the large gastric cancer burden, and its effect evidence is insufficient. Knowledge on current status and time-trend of gastric cancer is need for policy makers to optimize the strategy of gastric cancer control. Methods: Gastric cancer data were pooled from registries in the Henan Cancer Registration System which may reflect the whole province cancer incidence and mortality. The pooled registration data, stratified by area (urban/rural), gender, and age groups, was combined with the provincial population data to estimate the incidence and mortality of gastric cancer in Henan Province. The Segi's world standard population was applied to calculate the age-standardized rate. Joinpoint regression was used to analyze the time-trend in the incidence and mortality. Results: Gastric cancer was diagnosed in 33,971 patients in 2018, ranking second among all cancers. The crude incidence and age-standardized incidence rate (ASIRW) per 100,000 population were 31.15 and 23.05, respectively. In 2018, there were an estimated 25,921 gastric cancer-related deaths, ranking second among all cancer-related deaths. The crude mortality rate and age-standardized mortality rate by world standard population (ASMRW) were respectively 23.77 and 16.80 per 100,000 population. Gender and geographical differences were observed. Notably, the ASIRW and ASMRW were higher in males than females and higher in rural areas than urban areas. For ASIRW and ASMRW, the male to female ratio was 2.50 and 2.71, respectively, and the rural to urban ratio was 1.23 and 1.24, respectively. Declines in the incidence [average annual percent change (AAPC): -3.9%, P=0.001] and mortality (AAPC: -3.1%, P=0.004) of gastric cancer were observed in rural areas due to declines in the incidence and mortality among residents aged 40-69 years. The overall trend of ASIRW and ASMRW were observed to decline with AAPCs of -3.5% (P=0.003) and -2.8% (P=0.007), respectively. Conclusions: Gastric cancer incidence and mortality decreased in Henan Province, China, from 2010 to 2018, which may due to the implementation of endoscopic screening for gastric cancer in rural areas. The disease burden, however, remains high, and screening strategies and measures to reduce it should be strengthened. 2022 Annals of Translational Medicine. All rights reserved.
Entities:
Keywords:
Gastric cancer; cancer registration; incidence; mortality; trend
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