Changing prevalence of upper gastrointestinal disease in 28 893 Koreans from 1995 to 2005

Kim, Sang Hyun; Kim, Sang Gyun; Kim, Nayoung; Kim, Jae Gyu; Shin, Sung Jae; Kim, Sang Woo; Kim, Hyun Soo; Sung, Jae Kyu; Yang, Chang Heon; Shim, Ki Nam; Park, Seun Ja; Park, Joon Yong; Baik, Gwang Ho; Lee, Sang Woo; Park, Jong Jae; Hong, Soon-Jo; Lee, Gin Hyug; Seo, Geom Seog; Lee, Sang In; Jung, Hyun Chae

doi:10.1097/meg.0b013e32830e285a

Cited by 68 publications

(50 citation statements)

References 32 publications

(24 reference statements)

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“…Studies speculate that recent changes in medical practice, including H2 blockers and proton pump inhibitors, have increased the pathogenicity of H. pylori, and there have been possible alterations in the risk factor patterns including obesity and changes in diet [4,5,9]. Korea is also experiencing a decline in H. pylori, whose prevalence decreased from 59.4 % in 1995, 53.6 % in 2000 to 45.9 % in 2005 [21]. Some risk factors, such as consumption of sodium [22], drinking alcohol [17] and obesity [23][24][25], have increased overall in Korea.…”

Section: Discussionmentioning

confidence: 99%

“…For the incidence data, we interpolated single-year data for both cases and the population from 5-year interval periods, assuming a linear trend for each interval, and further grouped the single-year data into 31 2-year age groups (19)(20)(20)(21), …, 79-80) and 9 2-year time periods (1999-2000, 2001-2002, …, 2009-2010). To minimize the assumption of a linear relationship in interpolating the 2-year age groups, linear assumption was applied to two adjacent known data points in a piecewise manner, not to the entire distribution.…”

Section: Methodsmentioning

confidence: 99%

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Age and sex interactions in gastric cancer incidence and mortality trends in Korea

et al. 2014

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Background The incidence and mortality of gastric cancer have declined rapidly over the past few decades, but reverse trends in the young generation's differential between sexes in some races have been reported in recent years. To investigate whether this divergent trend can be observed in Korea, a country with the highest incidence in the world, age-and sex-specific incidence and mortality trends were evaluated. Methods Gastric cancer incidence data for the years 1999-2010 and mortality data for the years 1983-2012 were obtained from the Korea Central Cancer Registry and National Statistical Office. Annual percentage changes were calculated by age group (20-39, 40-54, 55-69, 70-79) using Joinpoint regression analysis. Furthermore, age-period-cohort analysis was evaluated. Results Overall age-standardized gastric cancer incidence in adults aged between 20 and 79 was declining at a nonsignificant average annual percentage change (AAPC) of -0.2 % in males and -0.4 % in females in Korea during 1999-2010. Mortality was steeper at a significant rate of -4.3 and -5.9 % in males and females, respectively. However, age-specific analysis revealed a flat (males 0.2 %, 95 % CI -0.5-0.6) or increasing incidence trend (females 1.7 %, 95 % CI 0.9-2.5) in the 40-54 age group. APC analysis confirmed the decreasing incidence and mortality trend mainly by the cohort effect. Conclusions The differential pattern between males and females in different age groups suggests a possible effect of detection by screening practice or a signal of the change in epidemiological factors in the incidence and mortality of gastric cancer that warrants further studies.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Age and sex interactions in gastric cancer incidence and mortality trends in Korea

et al. 2014

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“…Hence, 1715 patients with colorectal cancer were examined regarding their age at diagnosis, gender, family history, drug history, tumor location, tumor size, lymph node status, and tumor stage Pathology and depth, which were all selected as potential factors corresponding with the only variable of pathological stage study. The Global statistics showed that despite the considerable decreasing trend of gastric cancer among the European countries like Spain (20) and Italy (21), in a large number of developing countries like Korea (22) Iran (11) and Portugal (23), it has an increasing trend. The trend of cancer occurrence in the west of Iran is increasing among both males and females.…”

Section: Discussionmentioning

confidence: 99%

The Application of Weibull Regression in the Study of Survival Patients Evolved by Gastric Cancer Referred to Imam Khomeini Hospital of Sari (Northern Iran)

et al. 2016

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Abstract:Background and purpose: The survival rate of gastric cancer patients has significantly increased during the last decades because of the advances in this type of cancer treatment. The purpose of the current study was to examine the survival levels of gastric cancer through Weibull regression and its affective causes. Materials and methods: In this research, the records and personal information of 643 patients who were evolved by gastric cancer and referred to Imam Khomeini hospital of Sari (2007Sari ( -2013 were studied in order to determine their levels of survival. During the study, 74 cases of patients were exempted from the study due to their defective data, and the data collected from 569 cases were analyzed to obtain the results. In the current study, the impact of factors affecting Survival time was determined using the Weibull regression model. The analysis of data was performed using Stata statistical Software in 0.05 significance level. Results: The findings of the study showed that patients were estimated to experience 5 years of survival probability equal to 0. 75, 0.68, 0.54, 0.41, 0.3 during the time period November -December, 2013 the 1, 2, 3, 4 with a median survival time equal to 19 months, resulting in a survival mean equal to 24.49 months. Based on the Univariate and Multivariate analyses methods, some variables like: stage and metastasis were determined as the affective factors on the survival probability (p-value <0.05). Conclusion: In this study, it was then concluded that the life span of examined patients is very low in comparison with developed countries, which might be because of late reference or delayed diagnosis and the lack of facilities for treatment. Thus, the factors such as earlier diagnosis of the problem and screen methods could certainly influence and increase the patients' survival rate.

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“…In the Eastern world, 3-7% of the adult population complains of the symptoms once or more per week (3,4). However, its prevalence has gradually increased (5), and domestic research reports have also indicated increasing trends (6).…”

Section: Introductionmentioning

confidence: 99%

Typical symptoms rather than extraesophageal symptoms affect the quality of life in gastroesophageal reflux disease

Jung

Oh²,

Jie³

et al. 2012

Turk J Gastroenterol

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Girifl ve (81.7 vs. 87.5, p<0.05). Compared to the group with asymptomatic erosive reflux disease and the control group, the quality of life was also lower in the group that manifested both typical symptoms and extraesophageal symptoms (79.9 vs. 84.5, p<0.05). Compared with the control group, the quality of life was lower in the group with typical symptoms than in the group with extraesophageal symptoms (79.6 vs. 87.5, p<0.05). Conclusions: Regardless of whether the esophagitis was erosive or non-erosive, the quality of life was deteriorated to a greater extent in symptomatic gastroesophageal reflux disease patients than in the control group, and the quality of life was even lower among patients who had typical symptoms than among patients with extraesophageal manifestations.

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Changing prevalence of upper gastrointestinal disease in 28 893 Koreans from 1995 to 2005

Cited by 68 publications

References 32 publications

Age and sex interactions in gastric cancer incidence and mortality trends in Korea

Age and sex interactions in gastric cancer incidence and mortality trends in Korea

The Application of Weibull Regression in the Study of Survival Patients Evolved by Gastric Cancer Referred to Imam Khomeini Hospital of Sari (Northern Iran)

Typical symptoms rather than extraesophageal symptoms affect the quality of life in gastroesophageal reflux disease

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