From: Comparison of age-specific cataract prevalence in two population-based surveys 6 years apart
Cataract type | Age (years) | Cross-section I | Cross-section II | ||
---|---|---|---|---|---|
n | % (95% CL)* | n | % (95% CL)* | ||
Cortical | 50–54 | 473 | 4.4 (2.6–6.3) | 338 | 7.4 (4.6–10.2) |
55–59 | 522 | 9.2 (6.7–11.7) | 542 | 9.0 (6.6–11.5) | |
60–64 | 615 | 16.4 (13.5–19.4) | 556 | 16.7 (13.6–19.8) | |
65–69 | 653 | 26.2 (22.8–29.6) | 581 | 23.6 (20.1–27.0) | |
70–74 | 516 | 31.2 (27.2–35.2) | 514 | 35.4 (31.3–39.6) | |
75–79 | 366 | 40.2 (35.1–45.2) | 332 | 39.8 (34.5–45.1) | |
80–84 | 194 | 58.8 (51.8–65.8) | 163 | 42.9 (35.3–50.6) | |
85–89 | 74 | 52.7 (41.1–64.4) | 73 | 54.8 (43.1–66.5) | |
90+ | 22 | 68.2 (47.0–89.3) | 14 | 78.6 (54.0–103.2) | |
PSC | 50–54 | 474 | 2.7 (1.3–4.2) | 338 | 2.4 (0.7–4.0) |
55–59 | 522 | 2.9 (1.4–4.3) | 541 | 2.6 (1.3–3.9) | |
60–64 | 616 | 4.6 (2.9–6.2) | 548 | 5.7 (3.7–7.6) | |
65–69 | 655 | 6.3 (4.4–8.1) | 573 | 4.5 (2.8–6.3) | |
70–74 | 517 | 6.8 (4.6–8.9) | 505 | 9.7 (7.1–12.3) | |
75–79 | 367 | 11.4 (8.2–14.7) | 327 | 9.5 (6.3–12.7) | |
80–84 | 196 | 12.2 (7.6–16.9) | 155 | 10.3 (5.5–15.2) | |
85–89 | 74 | 18.9 (9.8–28.1) | 69 | 11.6 (3.9–19.4) | |
90+ | 23 | 21.7 (3.5–40.0) | 11 | 0.0 | |
Nuclear | 50–54 | 323 | 1.6 (0.2–2.9) | 331 | 0.9 (–0.2–1.9) |
55–59 | 386 | 2.3 (0.8–3.8) | 507 | 3.6 (1.9–5.2) | |
60–64 | 453 | 5.3 (3.2–7.4) | 501 | 11.6 (8.8–14.4) | |
65–69 | 478 | 17.2 (13.8–20.1) | 534 | 18.5 (15.2–21.9) | |
70–74 | 392 | 27.6 (23.1–32.0) | 453 | 36.0 (31.6–40.4) | |
75–79 | 255 | 45.1 (39.0–51.3) | 302 | 55.6 (50.0–61.3) | |
80–84 | 146 | 54.1 (45.9–62.3) | 147 | 73.5 (66.3–80.7) | |
85–89 | 50 | 64.0 (50.2–77.8) | 70 | 80.0 (70.4–89.6) | |
90+ | 18 | 72.2 (49.3–95.1) | 15 | 73.3 (48.0–98.7) |