. 2016 Apr 8;11(4):e0152788. doi: 10.1371/journal.pone.0152788

Table 6. Voronoi (6 tiles) Comparisons at 500-μm Eccentricity^*.

	Stage of retinopathy	Mean	Difference	Standard Error	P Value
Control group	Control/Moderate NPDR	44.9/39.8	5.08	1.66	0.038
	Control/Severe NPDR-PDR	44.9/38.9	6.00	1.85	0.024
No DR group	No DR/Moderate NPDR	45.6/39.8	5.83	1.84	0.029
	No DR/Severe NPDR-PDR	45.6/38.9	6.76	2.01	0.018

* Data are restricted to the pairs of groups with significantly different means (P < 0.05).

NPDR: Non proliferative diabetic retinopathy; PDR: Proliferative diabetic retinopathy.

Table 6. Voronoi (6 tiles) Comparisons at 500-μm Eccentricity*.