Table 3.

Comparison Between PAROCTA and non-PAROCTA Vessel Density, Vessel Linear Density and Adjusted Flow Index in Full Thickness OCTA Slabs

	Vessel Density (%) (Mean ± SD)			Vessel Length Density (%) (Mean ± SD)			AFI (Mean ± SD)
DR Severity	non-PAR	PAROCTA	P Value	non-PAR	PAROCTA	P Value	non-PAR	PAROCTA	P Value
No DR	40.91 ± 3.77	42.78 ± 2.25	0.003*	21.56 ± 2.15	22.24 ± 2.01	0.010*	0.55 ± 0.02	0.54 ± 0.02	0.183
Mild NPDR	40.94 ± 3.23	40.80 ± 3.17	0.607	21.26 ± 1.93	21.08 ± 1.88	0.111	0.56 ± 0.02	0.55 ± 0.02	0.001*
Moderate NPDR	39.80 ± 3.61	40.44 ± 3.20	0.032*	20.51 ± 2.01	20.69 ± 1.88	0.190	0.56 ± 5.75	0.54 ± 0.02	<0.001*
Severe NPDR	40.16 ± 3.04	39.83 ± 3.39	0.413	20.48 ± 1.88	20.23 ± 1.97	0.141	0.57 ± 0.019	0.55 ± 0.03	<0.001*
PDR	37.45 ± 4.13	37.58 ± 3.82	0.694	18.96 ± 2.28	18.91 ± 2.11	0.728	0.56 ± 0.02	0.55 ± 0.02	0.007*

Non-PAR and PAROCTA measurements were compared using paired t-test. *Significance set at P < 0.05.