Figure 1: Meta-analysis of the odds ratio for p53 codon 72 polymorphism associated with primary open-angle glaucoma. (a) Dominant model: CC + CG versus GG; (b) recessive model: CC versus CG + GG; (c) additive model: CC versus GG; (d) heterozygous model: CG versus GG; and (e) allelic model: C versus G