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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Ophthalmology. 2015 Oct 4;122(12):2490–2496. doi: 10.1016/j.ophtha.2015.08.028

Table 4.

Results of the Age-Adjusted Proportional Hazards Regression of the Effect of Statin Use on AMD Progression Based on AMD Subtype: Hazard Ratios and 95% Confidence Limits for Matched Statin Use Propensity Scores.

All participants
N = 2512*
Bilateral Large Drusen
N = 1546
Unilateral Late AMD
N = 944
Hazard Ratio 95% CI Hazard Ratio 95% CI Hazard Ratio 95% CI
Any late age-related macular degeneration
 Without accounting for the competing risk of death 0.92 0.62–1.36 0.63 0.37–1.05 1.22 0.67–2.20
 Accounting for the competing risk of death 0.81 0.55–1.20 0.53 0.31–0.89 1.12 0.62–2.01
Any geographic atrophy
 Without accounting for the competing risk of death 1.07 0.63–1.82 0.74 0.38–1.43 1.86 0.76–4.56
 Accounting for the competing risk of death 0.94 0.55–1.62 0.64 0.32–1.26 1.75 0.72–4.24
Central geographic atrophy
 Without accounting for the competing risk of death 0.88 0.43–1.82 0.90 0.38–2.15 1.18 0.32–4.41
 Accounting for the competing risk of death 0.76 0.37–1.56 0.76 0.32–1.83 1.14 0.32–4.09
Neovascular age-related macular degeneration
 Without accounting for the competing risk of death 1.07 0.65–1.76 0.86 0.44–1.69 1.36 0.66–2.82
 Accounting for the competing risk of death 0.92 0.57–1.52 0.73 0.38–1.42 1.25 0.06–2.59

CI = confidence interval.

*

includes 22 participants who were matched based on propensity score with one of the pair from the bilateral large drusen group and the other from the unilateral AMD group.