Table 1.

Variables According to Disease Grade; ECC = endothelial cell count; LogMAR = logarithm of the minimum angle of resolution; BCVA = best corrected visual acuity; CCT = central corneal thickness

	Age at visit date	Percent female	Central ECC	Peripheral ECC	LogMAR BCVA	CCT
Grade 1	64.8 +/− 9.8 years	68.8%	1392 +/− 591	1770 +/− 501	0.114 +/− 0.162	585 +/− 44
Grade 2	65.6 +/− 9.1 years	70.0%	668 +/− 382	1338 +/− 352	0.209 +/− 0.152	626 +/− 43
Grade 3	68.2 +/− 9.6 years	46.9%	442 +/− 257	831 +/− 265	0.432 +/− 0.303	673 +/− 69
Grade 4	70.5 +/− 5.8 years	50.0%	205 +/− 91	387 +/− 202	0.619 +/− 0.506	733 +/− 116