Table 2. Prevalence of early AMD lesions and early and late AMD by sex and age in the Puzih eye study.
| Age group (years) | Risk number | Soft drusen | Drusen area >500 μm | Pigment abnormalities | Early AMD | Late AMD |
|---|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | n (%) | ||
| Men | ||||||
| 65–69 | 103 | 50 (48.5) | 1 (1.0) | 4 (3.9) | 17 (16.5) | 3 (2.9) |
| 70–74 | 96 | 41 (42.7) | 2 (2.1) | 3 (3.1) | 18 (18.8) | 3 (3.1) |
| 75–79 | 78 | 30 (38.5) | 5 (6.4) | 9 (11.5) | 9 (11.5) | 8 (10.3) |
| ≥80 | 88 | 37 (42.0) | 3 (3.4) | 8 (9.1) | 14 (15.9) | 8 (9.1) |
| Total | 365 | 158 (43.3) | 11 (3.0) | 24 (6.6) | 58 (15.9) | 22 (6.0) |
| P-valuea | 0.291 | 0.142 | 0.040** | 0.615 | 0.021** | |
| Women | ||||||
| 65–69 | 86 | 29 (33.7) | 1 (1.2) | 2 (2.3) | 9 (10.5) | 4 (4.7) |
| 70–74 | 84 | 30 (35.7) | 1 (1.2) | 3 (3.6) | 10 (11.9) | 3 (3.6) |
| 75–79 | 60 | 25 (41.7) | 3 (5.0) | 6 (10.0) | 10 (16.7) | 9 (15.0) |
| ≥80 | 78 | 31 (39.7) | 3 (3.8) | 8 (10.3) | 14 (17.9) | 11 (14.1) |
| Total | 308 | 115 (37.3) | 8 (2.6) | 19 (6.2) | 43 (14.0) | 27 (8.8) |
| P-valuea | 0.331 | 0.148 | 0.013** | 0.120 | 0.006*** | |
| Both genders | ||||||
| 65–69 | 189 | 79 (41.8) | 2 (1.1) | 6 (3.2) | 26 (13.8) | 7 (3.7) |
| 70–74 | 180 | 71 (39.4) | 3 (1.7) | 6 (3.3) | 28 (15.6) | 6 (3.3) |
| 75–79 | 138 | 55 (39.9) | 8 (5.8) | 15 (10.9) | 19 (13.8) | 17 (12.3) |
| ≥80 | 166 | 68 (41.0) | 6 (3.6) | 16 (9.6) | 28 (16.9) | 19 (11.4) |
| Total | 673 | 273 (40.6) | 19 (2.8) | 43 (6.4) | 101 (15.0) | 49 (7.3) |
| P-valuea | 0.891 | 0.040** | 0.001*** | 0.518 | <0.001*** |
Abbreviation: AMD, age-related macular degeneration. **P-value <0.05; ***P-value <0.01.
a
χ2-trend test for age groups.