Table 3.
Progression to late age-related macular degeneration and its subtypes in the Age-Related Eye Disease Study, by eye: hazard ratios associated with reticular pseudodrusen presence, separately according to different levels on the 9-step Severity Scale.
| Late AMD | Geographic atrophy | Neovascular AMD | ||||
|---|---|---|---|---|---|---|
| 9-step Severity Scale levels | Hazard ratio associated with RPD presence (95% CI) | P value | Hazard ratio associated with RPD presence (95% CI) | P value | Hazard ratio associated with RPD presence (95% CI) | P value |
| 1–6 | 5.11 (3.93–6.66) | <0.0001 | 5.90 (4.19–8.32) | <0.0001 | 3.73 (2.64–5.27) | <0.0001 |
| 7–8 | 1.78 (1.43–2.22) | <0.0001 | 1.86 (1.45–2.40) | <0.0001 | 1.05 (0.77–1.43) | 0.76 |
Abbreviations: AMD=age-related macular degeneration; CI=confidence interval; RPD=reticular pseudodrusen