Table 3.

Comparisons of the thicknesses of the central retinal layer and the different retinal layers between patients with optic atrophy who developed and who did not develop microcystic macular edema.

	OA+MME n = 95 (15%) Eyes	OA-MME n = 548 (85%) Eyes	p Value a
Mean central retinal thickness, μm (SD)
1-mm diameter area	263 (30.4)	263 (20.9)	0.79
3-mm diameter area	312 (17.0)	309 (21.6)	0.09
6-mm diameter area	277 (11.6)	272 (15.8)	0.001
Mean retinal inner nuclear layer thickness, μm (SD)
1-mm diameter area	20.9 (8.4)	19.2 (5.9)	0.058
3-mm diameter area	49.9 (6.5)	40.9 (4.3)	0.0001
6-mm diameter area	38.4 (4.0)	33.2 (3.4)	0.0001
Mean ganglion cell layer thickness, μm (SD)
1-mm diameter area	9.6 (3.4)	11.0 (4.2)	0.001
Mean retinal nerve fiber layer thickness, μm (SD)
1-mm diameter area	9.2 (3.9)	10.1 (3.21)	0.024

MME: microcystic macular edema; OA: optic atrophy; SD: standard deviation; ^a: Welch’s t-test.