International Scholarly Research Notices

Clinical Study

Ocular Risk Factors for Exudative AMD: A Novel Semiautomated Grading System

Table 3

Baseline morphologic drusen characteristics (number and area) expressed as continuous variables.
Parameter MedianInterquartile range
Within central 1000 μm    
Number of drusen ≥125 μm 0–4
Total number of drusen 1–13
Area occupied by drusen ≥125 μm 0–83
Total drusen area 7–113
Within central 3000 μm    
Number of drusen ≥125 μm 1–47
Total number of drusen 33–143
Area occupied by drusen ≥125 μm 12–966
Total drusen area 127–1322
Within central 6000 μm    
Number of drusen ≥125 μm 10–132
Total number of drusen 38–210
Area occupied by drusen ≥125 μm 93–1973
Total drusen area 404–3180