Table 1. Clinical and demographic features of the patients included in this study.

Variable	PCG (n=133)
Age (mean±SD)	12.6 months±20.1
Female (%)	38.0
Male (%)	62.0
C/D/eye (mean±SD)	0.53±0.27
IOP (mm Hg)/eye (mean±SD)	26.3±9.9
Bilateral PCG (%)	73.9
Unilateral PCG (%)	26.1
Immigrants (%)	4.5

Abbreviations: C/D, cup/disc ratio of optic nerve at diagnosis; IOP, intraocular pressure.