Table 2

Bruch's Membrane (BrM) macrophages, membranous debris and subclinical choroidal neovascularisation (CNV)

GroupBLamDMembranous debrisNo. eyesAge (years)LogMAR VABrM macro phage countp ValueSubclinical CNVp Value
ExtentType
No basal mounds*1980 ± 80.185 ± 0.1790.8 ± 2.50
IIIThick continuousEarly + patchy lateBasal mounds only1584 ± 50.262 ± 0.9400.5 ± 1.00.00100.017
Soft drusen1582 ± 80.374 ± 0.2728.7 ± 7.76
IVThick continuousContinuous lateBasal mounds only1787 ± 50.935 ± 0.1608.0 ± 6.60.35950.354
Soft drusen1280 ± 50.250 ± 0.1175.9 ± 4.81
  • * Presumed basal linear deposit (BLinD).

  • Mean macrophage count per three (×40) fields.

  • Fisher's exact p.

  • BLamD, basal laminar deposit; LogMAR, logarithm of the minimum angle of resolution; VA, visual acuity.