From: Analysis of genetic polymorphisms for age-related macular degeneration (AMD) in Chinese Tujia ethnic minority group
Age
Number(%)
AMD
Total
Grade 2
Grade 3
Grade 4
Grade 5
50–59
456(21.49%)
25(5.48%)
16
7
0
2
60–69
965(45.48%)
95(9.84%)
57
37
1
70–79
599(28.23%)
68(11.35%)
26
4
80-
102(4.81%)
9(8.82%)
5
3
2122
197
115
73