Table 2.
Four-year Incidence | |||||||||
---|---|---|---|---|---|---|---|---|---|
Age at baseline (years) |
Any Cortical Opacities |
Any Nuclear Opacities |
Any PSC* Opacities |
||||||
N | n | % (CI) | N | n | % (CI) | N | N | % (CI) | |
40-49 | 1454 | 35 | 2.4 (1.6, 3.2) | 1626 | 16 | 1.0 (0.5, 1.5) | 1480 | 13 | 0.9 (0.4, 1.4) |
50-59 | 1145 | 75 | 6.6 (5.1, 8.0) | 1321 | 86 | 6.5 (5.2, 7.9) | 1232 | 17 | 1.4 (0.7, 2.0) |
60-69 | 553 | 95 | 17.2 (14.0, 20.3) | 701 | 186 | 26.5 (23.2, 29.8) | 711 | 35 | 4.9 (3.3, 6.5) |
70+ | 170 | 44 | 25.9 (19.3, 32.5) | 194 | 104 | 53.6 (46.6, 60.6) | 271 | 28 | 10.3 (6.7, 14.0) |
P < 0.001 | P < 0.001 | P < 0.001 | |||||||
Overall | 3322 | 249 | 7.5 (6.6, 8.4) | 3842 | 392 | 10.2 (9.2, 11.2) | 3694 | 93 | 2.5 (2.0, 3.0) |
N=number at risk at baseline, n=number of incident cases, CI=95% confidence interval, P=test of trend, PSC=posterior subcapsular.
No incident cases.
Note: Incidences presented were for each opacity type. Participants with more than one type of opacity may be included in more than one category.