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. 2002 Feb;86(2):196–202. doi: 10.1136/bjo.86.2.196

Table 6.

The means and standard deviations of ACDR differences (HRT − Discam) in eyes with glaucomatous and normal optic disc appearances by both observers

ACDR differences (HRT − Discam) mean (SD)
Glaucomatous (n = 44) Normal (n = 26) Unpaired t tests p value
Observer A 0.12 (0.12) −0.03 (0.14) <0.001
Observer B 0.12 (0.15) −0.01 (0.14) <0.001