Table 1.

Baseline patient and eye characteristics*

Characteristics
No	39
Age (year)	74.31 (7.3)
Black race	6 (15.4)
Female sex	20 (51.3)
Intraocular pressure (mm Hg)	21.08 (2.9)
Vertical cup to disc ratio	0.77 (0.1)
Neural rim area to disc area ratio	0.23 (0.1)
Number of pores	20.51 (2.0)
Mean pore area to disc area ratio	0.0055 (0.0005)
Total pore area to disc area ratio	0.11 (0.006)
Pore shape
Circular	3 (7.7)
Oval	26 (66.7)
Striate	10 (25.6)

*All data are given as the mean (SD) or the number (%).