Table 2

Pixel by pixel flow analysis in normal tension glaucoma (NTG) patients and controls

Aspect of analysisNTGControlp Value
Minimal flow (% of total pixels)30.0 (3.3)18.5 (1.8)0.006
Flow in selected pixels (arbitrary units)
25th percentile27 (13)79 (16)0.02
 50th percentile185 (38)324 (27)0.007
 75th percentile446 (64)636 (50)0.03
 90th percentile751 (100)1017 (89)0.06