Table 2. Area of Geographic Atrophy (GA) at First Presentation and Annual Enlargement.
| Cohort | Starting area (95% CI), mm2 | Starting area (95% CI), mm2 | Mean enlargement (95% CI), mm2 per year | Mean enlargement (95% CI), mm2 per year | ||
|---|---|---|---|---|---|---|
| Prevalent GA | Incident GA | Prevalent GA | Incident GA | |||
| BMES | 4.53 (2.58 to 6.47) | 3.34 (0.41 to 6.27) | 4.97 (2.96 to 6.98) | 1.28 (0.98 to 1.58) | 0.92 (0.48 to 1.35) | 1.49 (1.11 to 1.86) |
| RS cohort 1 | 3.87 (3.10 to 4.65) | 6.01 (4.49 to 7.54) | 2.27 (1.71 to 2.82) | 1.03 (0.73 to 1.32) | 1.13 (0.73 to 1.54) | 0.83 (0.45 to 1.21) |
| RS cohort 2 | 2.04 (0.64 to 3.44) | 4.81 (0.35 to 9.27) | 0.96 (0.52 to 1.40) | 0.53 (0.22 to 0.84) | 0.19 (−0.15 to 0.52) | 0.77 (0.60 to 0.94) |
| RS cohort 3 | 2.39 (0.11 to 4.67) | 3.72 (0.24 to 7.20) | 0.39 (−0.04 to 0.82) | NAa | NAa | NAa |
| Total | 3.74 (3.11 to 4.67) | 5.44 (4.19 to 6.69) | 2.64 (2.05 to 3.24) | 1.09 (0.89 to 1.30) | 1.03 (0.73 to 1.34) | 1.16 (0.90 to 1.43) |
Abbreviations: BMES, Blue Mountains Eye Study; NA, not applicable; RS, Rotterdam Study.
a
No follow-up data were available.