Table 3. Comparison of the macular ganglion cell plus inner plexiform layer thickness parameters between non-arteritic anterior ischaemic optic neuropathy and primary open-angle glaucoma.

	NAION	POAG	P value*
Average	59.6 ± 16.2	64.8 ± 10.5	0.227
Superotemporal	56.0 ± 14.6	63.7 ± 11.2	0.006
Superior	58.9 ± 13.3	66.9 ± 12.5	0.005
Superonasal	58.5 ± 16.1	72.1 ± 11.2	<0.001
Inferonasal	60.5 ± 15.8	67.0 ± 11.2	0.003
Inferior	60.5 ± 15.6	59.8 ± 10.6	0.906
Inferotemporal	62.4 ± 17.2	59.4 ± 12.3	0.590

(μm, mean ± SD)

NAION = non-arteritic anterior ischaemic optic neuropathy, POAG = primary open-angle glaucoma

* Axial length adjusted analysis of covariance.