The incidence and prevalence of pterygium in South Korea: A 10-year population-based Korean cohort study.

ABSTRACT: Although numerous population-based studies have reported the prevalences and risk factors for pterygium, information regarding the incidence of pterygium is scarce. This population-based cohort study aimed to evaluate the South Korean incidence and prevalence of pterygium. We retrospectively obtained data from a nationally representative sample of 1,116,364 South Koreans in the Korea National Health Insurance Service National Sample Cohort (NHIS-NSC). The associated sociodemographic factors were evaluated using multivariable Cox regression analysis, and the hazard ratios and confidence intervals were calculated. Pterygium was defined based on the Korean Classification of Diseases code, and surgically removed pterygium was defined as cases that required surgical removal. We identified 21,46

SUBMITTER: Rim TH 

PROVIDER: S-EPMC5367680 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature