Joinpoint regression is a common method to investigate epidemiological time trend. Here we took cancer incidence trend analysis as an example to demonstrate the theory and practise of model from principles, steps, examples and attentions to give some references for following similar studies.
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Temporal Trends in Treatment Interruption among the Victims of Heavy Rain Disasters in Japan: Findings from Emergency Medical Team Data.
Disaster Med Public Health Prep
January 2025
Department of Public Health and Health Policy, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Objectives: Treatment interruptions in disaster victims are concerning, owing to an increase in natural disasters and the growing elderly population with chronic conditions. This study examined the temporal trends in treatment interruptions among victims of 2 recent major heavy rain disasters in Japan: West Japan heavy rain in 2018 and Kumamoto heavy rain in 2020.
Methods: Data for this study were derived from the national standardized medical data collection system called the "Japan Surveillance in Post-Extreme Emergencies and Disasters.
Global and Regional Patterns in Edentulism (1990-2021) With Predictions to 2040.
Int Dent J
December 2024
Division of Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, PR China. Electronic address:
Aims: Edentulism's impact on overall well-being is widely recognized, but there is limited information on regional and sex disparities in its global burden. This study aims to fill this gap by providing an updated picture of edentulism's burden by region and sex and predicting its global trend for the next 2 decades.
Methods: This study analyzed and reported Global Burden of Disease (GBD) data on the prevalence, incidence, and disability adjusted life years (DALYs) of edentulism, with a breakdown by sex and sociodemographic index (SDI).
[Analysis of hepatitis B mortality trends in China from 2006 to 2021].
Zhonghua Gan Zang Bing Za Zhi
January 2025
Yangpu District Center for Disease Control and Prevention, Shanghai200090, China.
To analyze the epidemiological characteristics of hepatitis B mortality among Chinese residents from 2006 to 2021 and predict the mortality trends from 2022 to 2027, providing reference for hepatitis B prevention and control efforts. A retrospective study was conducted using hepatitis B mortality data from 2006 to 2021 published by the Chinese Center For Disease Control And Prevention. Age-standardized mortality rates (ASMR) were calculated based on the 2000 Chinese population as the standard population.
View Article and Find Full Text PDFCervical cancer incidence and trends among women aged 15-29 years by county-level economic status and rurality - United States, 2007-2020.
Cancer Epidemiol
December 2024
Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, GA, United States.
Introduction: Variations in cervical cancer incidence rates and trends have been reported by sociodemographic characteristics. However, research on economic characteristics is limited especially among younger women in the United States.
Methods: We analyzed United States Cancer Statistics data to examine age-standardized cervical cancer incidence rates among women aged 15-29 years during 2007-2020.
The Burden of Peripheral Artery Disease in China From 1990 to 2019 and Forecasts for 2030: Findings From the Global Burden of Disease Study 2019.
Int J Public Health
January 2025
Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning, China.
Objectives: The incidence of peripheral arterial disease (PAD) in China is increasing. We aim to conduct a comprehensive analysis of the burden of PAD.
Methods: We collected information from 1990 to 2019 in the Global Burden of Disease (GBD 2019) study.
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