AGTR1 and retinopathy of prematurity: For AGTR1, the analysis revealed an overall OR calculated from three studies, indicating positive correlation between the presence of the rs5186CC genotype and the risk of ROP requiring treatment (fixed effects model [FEM]: OR = 1.70, 95% CI 1.02–2.84, Pcrude = 0.042; Padjusted = 0.291).