• Zhifang Wang, Danni Xu, Ying Liu, Jing Zhao, Hongwei Li, Yang Song, Yumin Gao, and Hailing Li.
• Preventive Medicine, Inner Mongolia Medical University, Hohhot, Republic of China.
• Medicine (Baltimore). 2022 Nov 25; 101 (47): e31523e31523.

AbstractTo analyze the change trend of life expectancy, the change trend of premature death due to 4 major chronic diseases, and its impact on the life expectancy of Wuhai residents from 2015 to 2020, and to provide evidence for the prevention and control of chronic diseases in this area. The data on population death comes from the Wuhai City Residents' Causes of Death Network Reporting System and the total population is calculated using statistics from Wuhai City's permanent population management, from 2015 to 2020. Premature mortality from the 4 main chronic illnesses was calculated using the abridged life table approach. The impact of premature death from chronic diseases on life expectancy was analyzed using the Arriaga method. The increasing trend of life expectancy of Wuhai citizens was not statistically significant from 2015 to 2020 (t = 2.570, P = .062). Each year, men had a lower life expectancy than women (P < .05). From 2015 to 2020, the downward trend of premature deaths caused by the 4 major non-communicable diseases in Wuhai City was statistically significant (EAPC = -7.74%, P = .041). Premature death from cancer and chronic respiratory disorders decreased, both of which were statistically significant (EAPC < 0, P < .05). The decline in premature mortality from cancer, cardiovascular and cerebrovascular disorders, and chronic respiratory system diseases has contributed to increased life expectancy. Diabetes's rise in premature mortality made a possible "negative contribution" to life expectancy (-0.036 years, -1.79%). From 2015 to 2020, the decreasing trend of the overall premature mortality caused by the 4 major non-communicable diseases in Wuhai was statistically significant, and the life expectancy of females was higher than that of males. We should concentrate on the prevention and control of major chronic illnesses in males, as well as the influence of changes in diabetes-related early mortality on life expectancy.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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