Backgroud: In recent years, the incidence of cancer in China has received much attention. However, there were few researches on the epidemiological trends of cancer in Shenzhen, an immigrant, and fastest economic development city in China. Objectives The aim of this study was to determine epidemiological trends of cancer in Shenzhen, and propose some relevant strategies to the cancers in Shenzhen, China.
Methods: This longitudinal study used the year 2001- 2015 data from the Cancer registration system of Shenzhen. All patients with cancer were included. Data extraction included patient demographics, epidemiological distributions and associated diagnoses of cancer. Results A total of 59218 cases and 9736 death cases of cancer were identified in 2001 through 2015. Of these patients, 30144(50.9%) were females, 29074(49.1%) males. The standardized morbidity of cancers was 136.44/100000. The Mortality/Incidence (M/I) was 0.16. The morbidity of cancer increased from 110.91/100000 in 2001 through 2015 to 198.78/100000. There was no statistical differences (P>0.05) between these years by Joinpoint trend analysis. The top five cancers were lung cancer, colon cancer, liver cancer, gastric cancer and breast cancer. Among all the cancers, There was statistical differences increased in thyroid cancer from 4.68/100000 in 2001 through 2015 to 20.01/100000(P<0.05).
Conclusions: From 2001 to 2015, there has been an increase trends of cancers in Shenzhen, China. Cancer screening and health promotion measures should be strengthened to control the increase trends of cancers in Shenzhen, China. [Key words] Epidemiological trends, cancer, morbidity