. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: Ophthalmology. 2014 Mar 7;121(6):1229–1236. doi: 10.1016/j.ophtha.2013.12.035

Table 2.

Adjusted^* Gain in Visual Acuity Score after Cataract Surgery at a Mean Postoperative Period of 7 months (n=1233)

Group	Estimate (Gain of Letters on Visual Acuity Score)	95% CI	P Value
AMD Severity
Mild AMD	11.2	6.9-15.5	<0.0001
Moderate AMD	11.1	9.1-13.2	<0.0001
Severe AMD	8.7	6.7-10.7	<0.0001
Noncentral GA	8.9	5.8-12.1	<0.0001
Central GA and/or Neovascular AMD	6.8	4.9-8.8	<0.0001
Cortical cataract ⁺
Group 1	8.3	6.5-10.0	<0.0001
Group 2	8.9	6.5-11.4	<0.0001
Group 3	10.9	8.4-13.3	<0.0001
PSC ⁺
Group 1	5.4	4.1-6.6	<0.0001
Group 2	7.4	5.4-9.4	<0.0001
Group 3	15.3	10.8-19.8	<0.0001

AMD = age-related macular degeneration; CI = confidence interval; GA = geographic atrophy; PSC = posterior subcapsular cataract

Adjusted for age at time of surgery, gender, years between preoperative and postoperative acuity, and AMD severity, cortical cataract, or posterior subcapsular cataract

⁺

Group 1: cortical/PSC =0%; Group 2: cortical/PSC >0% and ≤5%; Group 3: cortical/PSC >5%