Table 3.

Correlations of the retinal thickness between the ETDRS grid areas.

		Center	Inner Temporal	Inner Superior	Inner Nasal	Inner Inferior	Outer Temporal	Outer Superior	Outer Nasal
Inner Temporal	R	0.581
	P	< 0.001**
Inner Superior	R	0.520	0.919
	P	< 0.001**	< 0.001**
Inner Nasal	R	0.652	0.893	0.913
	P	< 0.001**	< 0.001**	< 0.001**
Inner Inferior	R	0.535	0.919	0.912	0.916
	P	< 0.001**	< 0.001**	< 0.001**	< 0.001**
Outer Temporal	R	0.155	0.625	0.663	0.564	0.668
	P	0.012*	< 0.001**	< 0.001**	< 0.001**	< 0.001**
Outer Superior	R	0.187	0.575	0.726	0.599	0.658	0.815
	P	0.002**	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**
Outer Nasal	R	0.198	0.576	0.708	0.633	0.688	0.681	0.846
	P	0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**
Outer Inferior	R	0.111	0.520	0.606	0.527	0.644	0.789	0.840	0.848
	P	0.072	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**	< 0.001**

Pearson correlation coefficient. R, correlation coefficient. ETDRS grid, Early Treatment Diabetic Retinopathy Study grid. *P < 0.05, **P < 0.01.