Table 1. Characteristics of the 4 Cohort Studies.
Cohort (start year) | Patients, No. | Age at inclusion, mean (SD), y | No. (%) | Total eyes, No. | Eyes with follow-up data, No. | No. (%; 95% CI) | |||
---|---|---|---|---|---|---|---|---|---|
Female | Current smoker | Previous smoker | Prevalent GA | Incident GA | |||||
BMES (1992) | 26 | 81.6 (7.4) | 19 (73) | 3 (12) | 9 (35) | 44 | 33 | 12 (27; 14.1-40.4) | 32 (73; 59.6-85.9) |
RS cohort 1 (1990) | 117 | 83.4 (6.7) | 73 (62.4) | 27 (23.1) | 39 (33.3)a | 163 | 50 | 70 (43; 23.6-37.8) | 93 (57; 49.5-64.7) |
RS cohort 2 (2000) | 20 | 81.0 (7.8) | 8 (40) | 1 (5) | 17 (85) | 25 | 5 | 7 (28; 4.3-35.7) | 18 (72; 4.3-35.7) |
RS cohort 3 (2006) | 8 | 78.1 (9.7) | 6 (75) | 1 (13) | 3 (38) | 10 | 0 | 6 (60; 26.2-87.8) | 4 (40; 12.2-73.8) |
Total | 171 | 82.6 (7.1) | 106 (62.0) | 32 (18.7) | 68 (39.8)a | 242 | 88 | 95 (39.3; 33.1-45.4) | 147 (60.7; 54.6-66.9) |
Abbreviations: BMES, Blue Mountains Eye Study; GA, geographic atrophy; RS, Rotterdam Study.
Data for 6 patients missing.