A Joinpoint regression analysis of long‐term trends in cancer mortality in Japan (1958–2004)

Qiu, Dongmei; Katanoda, Kota; Marugame, Tomomi; Sobue, Tomotaka

doi:10.1002/ijc.23911

Cited by 115 publications

(88 citation statements)

References 32 publications

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“…In Japan, a joinpoint regression model was used to analyze the long-term trends in mortality from 1958 to 2004 (23) and found a favorable trend in risk of colon cancer for both men (APC: -1.23; P<0.05) and women (APC: -0.52; P<0.05) in the early '90s. They also observed a favorable trend in the risk of rectum cancer in men over the same period as our study; however, in women, this trend was observed in the early 1970s, which differed from our results.…”

Section: Discussionmentioning

confidence: 99%

Mortality Risk of Colorectal Cancer in Brazil From 1980 to 2013

Oliveira

Rêgo

2016

Arq. Gastroenterol.

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-Background -Colorectal cancer is one of the most common cancer worldwide, and variation in its mortality rates indicates the importance of environmental factors in its occurrence. While trend studies have indicated a reduction in colorectal cancer mortality rates in most developed countries, the same trends have not been observed in developing countries. Moreover, trends may differ when analyzed by age and sex. Objective -The present study aimed to analyze the trends in risk of colorectal cancer death in Brazil based on sex and age group. Methods -Death records were obtained from the Mortality Information System of the Ministry of Health. The risk of death and the average annual percent changes (AAPC) in the mortality rates were estimated using joinpoint analysis of long-term trends from 1980 to 2013. All of the statistical tests were two-sided and had a significance level of 5%.Results -Colorectal cancer mortality rates were found to have increased in the last 15 years for both sexes and for all age ranges. The rate ratio (RR) was statistically higher at ages 70 to 79 for men (RR: 1.37; 95% CI: 1.26; 1.49) compared to women (RR: 1.14; 95% CI: 1.06; 1.24). Increases in AAPC were observed in both sexes. Although men presented higher percent changes (AAPC: 1.8; 95% CI: 1.1; 2.6) compared to women (AAPC: 1.2; 95% CI: 0.4; 2.0), this difference was not statistically significant. Growth trends in mortality rates occurred in all age groups except for in women over 70. Conclusion -Unlike Europe and the US, Brazil has shown increases in death rates due to colorectal cancer in the last three decades; however, more favorable trends were observed in women over 70 years old. The promotion of healthier lifestyles in addition to early diagnosis and improved treatment should guide the public health policies targeting reductions in colorectal cancer.

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Section: Discussionmentioning

confidence: 99%

Mortality Risk of Colorectal Cancer in Brazil From 1980 to 2013

Oliveira

Rêgo

2016

Arq. Gastroenterol.

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“…Age-standardized mortality rates of ovarian cancer in Japan increased four-fold, from 0.9 to 3.6 per 100,000 women, between the 1950s and the 1990s (4). In the past two decades they have stabilized, reaching 3.3 per 100,000 women in 2004 (5), which is slightly below the worldwide estimates for that year (3.8 per 100,000) (3). Studies on migrants suggest that ovarian cancer incidence rates are higher among Japanese women born in the United States than among those born in Japan (6).…”

Section: Introductionmentioning

confidence: 87%

Risk factors for epithelial ovarian cancer in Japan - results from the Japan Public Health Center-based Prospective Study cohort

Weiderpass

Sandin

Inoue³

et al. 2011

Int J Oncol

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Abstract. The aim of this study was to evaluate the risk factors for invasive primary epithelial ovarian cancer among Japanese women. In 1990,748 women aged 40-69 years were enrolled in the Japan Public Health Center-based Prospective Study cohort. Only 86 epithelial ovarian cancer cases were diagnosed during follow-up through 2008, reflecting the low ovarian cancer incidence rates in Japan. Cox proportional hazard models were used to estimate hazard ratios (HR) and 95% confidence intervals (CI) according to the exposure of interest. The median age at epithelial ovarian cancer diagnosis was 59 years, with a median follow-up before diagnosis of 7.6 years. There were no statistically significant associations for age at menarche or first birth, breastfeeding, use of exogenous hormones, menopausal status at cohort enrollment, height, body mass index, smoking status, second-hand smoke, alcohol consumption, physical activity and family history of cancer in a first-degree relative. The linear decrease in HR associated with each additional birth was 0.75 (95% CI 0.56-0.99). Among women who usually slept >7 h per day, an HR of 0.4 (95% CI 0.2-0.9) emerged compared to those who slept <6 h. This study did not confirm risk factors for epithelial ovarian cancer among Japanese women that have been reported in studies carried out elsewhere. Usual sleep duration of >7 h per day was inversely associated with epithelial ovarian cancer risk, which is a novel finding that needs to be confirmed in other studies.

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“…Pancreatic ductal adenocarcinoma is one of the leading causes of death in Japan, and the incidence of this cancer is increasing (1,2). Adenocarcinoma involving the whole pancreas constitutes approximately 1% of all pancreatic cancers in Japan (3).…”

Section: Introductionmentioning

confidence: 99%

Adenocarcinoma Involving the Whole Pancreas with Multiple Pancreatic Masses

et al. 2010

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A 77-year-old man was referred to our hospital for further investigation of pancreatic masses. Imaging studies revealed hypovascular masses in the pancreatic head and body. Total pancreatectomy was performed under the diagnosis of double primary pancreatic carcinomas. Macroscopic examination revealed 3 nodules: one each in the pancreatic head, body, and tail. Microscopically, all 3 lesions showed similar carcinoma cells, which communicated with each other via the intraductal component, indicating a single large tumor. Incidentally, we also identified an adenocarcinoma of the common bile duct (CBD). The final diagnosis was synchronous double cancer involving the whole pancreas and the CBD.

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A Joinpoint regression analysis of long‐term trends in cancer mortality in Japan (1958–2004)

Cited by 115 publications

References 32 publications

Mortality Risk of Colorectal Cancer in Brazil From 1980 to 2013

Mortality Risk of Colorectal Cancer in Brazil From 1980 to 2013

Risk factors for epithelial ovarian cancer in Japan - results from the Japan Public Health Center-based Prospective Study cohort

Adenocarcinoma Involving the Whole Pancreas with Multiple Pancreatic Masses

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