Table 1

Results of choroidal binarisation method analyses in patients with drusen and RPD and in control subjects at baseline and at 24 months

DrusenPseudodrusenControlp D-RPDp D-Cp RPD-C
Baseline
 Luminal area (μm2)1438420±5473871007640±2901661475130±507254<0.00010.7<0.0001
 Stromal area (μm2)627488±141255504611±121907637959±1552970.00010.7<0.0001
 Choroid area (μm2)2065908±6520181512251±3996612113163±620464<0.00010.7<0.0001
 Luminal ratio0.68±0.050.66±0.030.69±0.060.020.80.03
 Stromal ratio0.32±0.050.34±0.030.31±0.050.020.80.03
24 months
 Luminal area (μm2)1351658±474675924802±3358291410308±439604<0.00010.3<0.0001
 p Value0.003<0.00010.1
 Stromal area (μm2)591920±172466461176±113626623171±1259010.00010.2<0.0001
 p Value0.0070.00020.4
 Choroid area (μm2)1943579±6168751385979±4309322033480±529013<0.00010.3<0.0001
 p Value0.0005<0.00010.08
 Luminal ratio0.69±0.050.66±0.040.68±0.060.0050.90.007
 p Value0.10.10.9
 Stromal ratio0.31±0.050.34±0.040.32±0.060.0050.90.007
 p Value0.10.10.9
  • Values are expressed as mean±SD.

  • C, control subjects; D, drusen; RPD, reticular pseudodrusen.