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. 2020 Jun 1;3(6):e208759.
doi: 10.1001/jamanetworkopen.2020.8759.

Global Burden of Thyroid Cancer From 1990 to 2017

YuJiao Deng  1   2 , HongTao Li  3 , Meng Wang  2 , Na Li  1   2 , Tian Tian  2 , Ying Wu  2 , Peng Xu  2 , Si Yang  1   2 , Zhen Zhai  2 , LingHui Zhou  2 , Qian Hao  2 , DingLi Song  2 , TianBo Jin  4 , Jun Lyu  5 , ZhiJun Dai  1
Affiliations

Global Burden of Thyroid Cancer From 1990 to 2017

YuJiao Deng et al. JAMA Netw Open. .

Abstract

Importance: Thyroid cancer is the most pervasive endocrine cancer worldwide. Studies examining the association between thyroid cancer and country, sex, age, sociodemographic index (SDI), and other factors are lacking.

Objective: To examine the thyroid cancer burden and variation trends at the global, regional, and national levels using data on sex, age, and SDI.

Design, setting, and participants: In this cross-sectional study, epidemiologic data were gathered using the Global Health Data Exchange query tool, covering persons of all ages with thyroid cancer in 195 countries and 21 regions from January 1, 1990, to December 31, 2017; data analysis was completed on October 1, 2019. All participants met the Global Burden of Disease Study inclusion criteria.

Main outcomes and measures: Outcomes included incidence, deaths, and disability-adjusted life-years (DALYs) of thyroid cancer. Measures were stratified by sex, region, country, age, and SDI. The estimated annual percentage changes (EAPCs) and age-standardized rates were calculated to evaluate the temporal trends.

Results: Increases of thyroid cancer were noted in incident cases (169%), deaths (87%), and DALYs (75%). Age-standardized incidence rate (ASIR) showed an upward trend over time, with an EAPC of 1.59 (95% CI, 1.51-1.67); decreases were noted in EAPCs of age-standardized death rate (-0.15; 95% CI, -0.19 to -0.12) and age-standardized DALY rate (-0.11; 95% CI, -0.15 to -0.08). Almost half (41.73% for incidence, 50.92% for deaths, and 54.39% for DALYs) of the thyroid cancer burden was noted in Southern and Eastern Asia. In addition, females accounted for most of the thyroid cancer burden (70.22% for incidence, 58.39% for deaths, and 58.68% for DALYs) and increased by years in this population, although the ASIR of males with thyroid cancer (EAPC, 2.18; 95% CI, 2.07-2.28) increased faster than that of females (EAPC, 1.38; 95% CI, 1.30-1.46). A third (34%) of patients with thyroid cancer resided in countries with a high SDI, and most patients were aged 50 to 69 years, which was older than the age in other quintiles (high SDI quintile compared with all other quintiles, P<.05). The most common age at onset of thyroid cancer worldwide was 15 to 49 years in female individuals compared with 50 to 69 years in male individuals (P<.05). Death from thyroid cancer was concentrated in participants aged 70 years or older and increased by years (average annual percentage change, 0.10; 95% CI, 0.01-0.21; P<.05). Furthermore, people in lower SDI quintiles developed thyroid cancer and died from it earlier than those in other quintiles (high and high-middle SDI vs low and low-middle SDI, P<.05).

Conclusions and relevance: Data from this study suggest considerable heterogeneity in the epidemiologic patterns of thyroid cancer across sex, age, SDI, region, and country, providing information for governments that may help improve national and local cancer control policies.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Figures

Figure 1.
Figure 1.. Age-Standardized Rates (per 100 000 Person-Years) of Thyroid Cancer Worldwide
Age-standardized incidence rate (ASIR) (A), age-standardized death rate (ASDR) (B), and age-standardized disability-adjusted life-year rate (AS DALY) (C).
Figure 2.
Figure 2.. The Estimated Annual Percentage Changes (EAPCs) of Thyroid Cancer Age-Standardized Rates Worldwide
Changes shown in incidence (A), death (B), and disability-adjusted life-years (C).
Figure 3.
Figure 3.. Correlation Between Estimated Annual Percentage Change and Thyroid Cancer Age-Standardized Rates
Correlation with age-standardized incidence rate (A), death rate (B), and disability-adjusted life-year rate (C). The orange circles represent countries that were available on SDI data. The size of circle represents increases in the cases of thyroid cancer. The ρ indices and P values were derived from Pearson correlation analysis. Blue line and shaded area represent ρ and its 95%CI.
Figure 4.
Figure 4.. Change Trends of Thyroid Cancer Age-Standardized Incidence Rate Among Sex and Sociodemographic Index (SDI) Quintiles
Changes shown in overall (A), females (B), and males (C) trends.
See this image and copyright information in PMC

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