American Journal of Ophthalmology AJO 02 91 R 1 revised Page 18
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Freeman, Cataract Surgery and Age-Related Macular Degeneration
Table 1. General characteristics of the study populations.
Characteristic Salisbury
Eye
Evaluation
Proyecto VER
Baltimore Eye
Survey
Sample Size, people
2520 4774 4396
Age, mean
73.5 56.9 58.9
Sex, %
Male
Female
42.1
57.9
38.8
61.2
40.4
59.6
Race, %
White (non-Hispanic)
Black (non-Hispanic)
Hispanic
73.6
26.4
0.0
0.0
0.0
100.0
57.3
41.9
0.7
Education, %
<12 years
51.5
65.1
69.6
Smoking, %
Never
Past
Current
38.8
46.2
15.0
52.0
27.6
20.4
34.6
26.5
38.9
Severe Cataract-at least 1 eye, %
9.0
8.0
1.0
Previous Cataract Surgery-at least
1 eye, %
18.8 8.2 3.1
