The prevalence of hypothyroidism among adults in China: A systematic review / 中华地方病学杂志

ABSTRACT

Objective To systematically review the prevalence of hypothyroidism from 2000 to 2016 in China.Methods Twenty-five researches were selected from the database of Wanfang,CNKI,CBM,PubMed and Embass according to the inclusion and exclusion criteria and reviewed systematically.Overall prevalence and 95％CI were calculated and forest plots were drawn by Stata 12.0.Results Based on the results from the existing data,the prevalence of hypothyroidism was 9.3％ (7.1％ for male and 12.2％ for female),compared with the group of 60 and over (11.8％),other age groups had lower prevalence of hypothyroidism (the groups of 18-＜ 40 and 40-＜ 60 was 7.4％ and 9.1％,respectively).The prevalence of clinical hypothyroidism and subclinical hypothyroidism was 1.1％ and 8.7％,respectively.In northwest area,the prevalence of hypothyroidism (14.9％) was significantly higher than those of other regions (the east area was 7.7％,north area was 8.0％,southwest area was 13.4％).The prevalence of hypothyroidism from 2011 to 2016 (10.8％) was higher than those of 2002 to 2010 (5.0％).The prevalence of iodine excess group (15.3％) was higher than that of iodine adequate group (8.9％) and that of iodine deficiency group (3.0％).Conclusion The prevalence of hypothyroidism in China has a tendency to increase in recent years,and the preventive and curative strategies to control hypothyroidism need to be further studied.