Table 4a.

Ganglion cell layer-inner plexiform layer thickness in diabetic patients and control (n=180)

GCL-IPL thickness (µM)	Diabetic eyes (n=120), mean (SD)		Control eyes (n=60), mean (SD)	P*
	With retinopathy (n=60)	Without retinopathy (n=60)
Superior	71.6 (3.0)	82.9 (2.3)	92.3 (2.2)	<0.001
Superonasal	71.2 (2.8)	82.6 (2.2)	91.9 (2.5)	<0.001
Superotemporal	71.7 (2.7)	82.6 (2.0)	92.5 (2.4)	<0.001
Inferior	71.4 (3.0)	82.1 (2.5)	91.9 (2.7)	<0.001
Inferonasal	71.9 (2.5)	83.2 (1.9)	91.9 (2.4)	<0.001
Inferotemporal	71.5 (2.5)	82.5 (2.6)	92.6 (2.3)	<0.001

*One way ANOVA. GCL-IPL: Ganglion cell layer-inner plexiform layer, SD: Standard deviation