Table 1. Demographic characteristics of patients with AMD and reference group subjects.

Group	n	Age, median (95%CI)	Males, n (%)
Early AMD	290	67 (59.94-67.85)1	126 (43)1
Control	526	68 (60.88-68.32)1	210 (40)1
P	-	DSI	DSI
Late AMD geographic atrophy	34	73 (69.68-76.85)2	12 (35)1
P	-	DSS	DSI

¹DSI: Difference statistically insignificant; ²DSS: Difference statistically significant.