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Time trends, associations and global burden of intraocular foreign bodies

Abstract

Purpose To estimate the disease burden due to intraocular foreign bodies (IOFBs) and evaluate contributions of various risk factors to IOFB-associated disability-adjusted life-years (DALYs).

Methods Global, regional and country-level number, rate and age-standardised rate of DALYs due to IOFBs were acquired from the Global Burden of Disease Study 2017 database. The Human Development Index (HDI) and other region and country-level data were obtained from open databases. Time trends for number, rate and age-standardised rate of DALYs due to IOFBs were calculated. Regression analysis was used to evaluate associations between age-standardised rate of DALYs and potential predictors.

Results Global DALYs due to IOFBs rose by 43.7% between 1990 (139 (95% CI 70.8 to 233) thousand) and 2017 (202 (95% CI 105 to 335) thousand). The DALY rate remained stable while the age-standardised rate decreased during this period. Higher disease burden due to IOFBs was associated with higher glaucoma prevalence (β=0.006, 95% CI 0.003 to 0.09, p<0.001), lower refractive error prevalence (β=−0.0005, 95% CI −0.0007 to −0.0002, p<0.001), and lower income (β=−0.020, 95% CI −0.035 to −0.006, p=0.007).

Conclusion Predictors of a greater burden of IOFB disability generally point to lower socioeconomic level. The association with glaucoma may reflect a complication of IOFB, increasing risk of vision loss and disability.

  • epidemiology
  • public health
  • trauma

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