Investigation of Retinal Microcirculation in Diabetic Patients Using Adaptive Optics Ophthalmoscopy and Optical Coherence Angiography

Table 3

Results of the post hoc analysis between the four groups included in the study.

Studied parameters	Control no DR group	Control NPDR group	Control PDR group	No DR group NPDR group	No DR group PDR group	NPDR group PDR group
Vessel diameter (Games-Howell)	1.00	0.143	0.955	0.143	0.982	0.413
Lumen diameter (Games-Howell)	0.961	0.376	0.990	0.961	0.292	0.381
Wall thickness (Tukey)	0.372	0.90	0.20	0.844	0.530	0.964
Wall to lumen ratio (Games-Howell)	0.029	0.462	0.005	0.968	0.577	0.483
Wall cross sectional area (Tukey)	0.781	0.0381	0.297	0.248	0.841	0.682
Foveal avascular zone (Tukey)	0.954	0.173	0.630	0.445	0.915	0.824
Superficial capillary density (Tukey)	0.938	0.006	0.007	0.038	0.046	1

Legend: DR: diabetic retinopathy; NPDR: nonproliferative diabetic retinopathy; PDR: proliferative diabetic retinopathy.