Variations of pterygium prevalence by age, gender and geographic characteristics in China: A systematic review and meta-analysis.

ABSTRACT:

Background

Pterygium is a common chronic ophthalmic condition, which may result in significant visual morbidity or lead to blindness in extreme cases. The prevalence of pterygium in China has not been reported at the sub-national level.

Methods

In this study, we conducted a systematic review and meta-analysis to estimate the prevalence of pterygium in China. China National Knowledge Infrastructure (CNKI), Wanfang, Chinese Biomedicine Literature Database (CBM-SinoMed), PubMed, Embase and Medline were searched before September 2016. We performed a multilevel mixed-effect meta-regression based on the included studies, our results showed that age, gender and latitude were significantly associated with pterygium prevalence. Based on the final model, the age and gender-specific pr

SUBMITTER: Song P 

PROVIDER: S-EPMC5371366 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature