Table 1 Demographic characteristics of persons with neovascular age-related macular degeneration (AMD) and controls in Taiwan (n = 101,665).
From: Association of neovascular age-related macular degeneration with migraine
Variable | Patients with neovascular AMD (n = 20,333) | Controls (n = 81,332) | p value | ||
|---|---|---|---|---|---|
Total no | % | Total no | % | ||
Presence of migraine | 1215 | 6.1 | 3969 | 4.9 | < 0.001 |
Age, mean (SD) | 71.3 (11.4) | 71.5 (12.0) | 0.015 | ||
Males | 12,277 | 60.4 | 48,396 | 59.5 | 0.023 |
Monthly Income | 0.021 | ||||
< NT$1~15,841 | 7281 | 35.8 | 28,335 | 34.8 | |
NT$15,841~25,000 | 7512 | 36.9 | 30,764 | 37.8 | |
≥ NT$25,001 | 5540 | 27.2 | 22,233 | 27.3 | |
Geographic region | 0.004 | ||||
Northern | 10,839 | 53.3 | 42,614 | 52.4 | |
Central | 4658 | 22.9 | 19,030 | 23.4 | |
Eastern | 481 | 2.4 | 1706 | 2.1 | |
Southern | 4355 | 21.4 | 17,982 | 22.1 | |
Urbanization level | 0.002 | ||||
1 (most urbanized) | 8442 | 41.5 | 33,531 | 41.2 | |
2 | 7407 | 36.4 | 29,959 | 36.8 | |
3 | 3210 | 15.8 | 13,299 | 16.4 | |
4 | 569 | 2.8 | 2002 | 2.5 | |
5 (least urbanized) | 705 | 3.5 | 2541 | 3.1 | |
Diabetes | 7807 | 38.4 | 30,728 | 37.8 | 0.108 |
Hypertension | 13,967 | 68.7 | 56,705 | 69.7 | 0.004 |
Coronary heart disease | 6494 | 31.9 | 23,940 | 29.4 | < 0.001 |
Prior cataract surgery | 4422 | 21.7 | 10,765 | 13.2 | < 0.001 |
Hyperlipidemia | 9296 | 45.7 | 36,639 | 45 | 0.087 |
