Comparison of Idiopathic Macular Hole Interventions Using Frequency Domain Optical Coherence Tomography and Optical Coherence Tomography Angiography

Table 4

The comparison of OCTA measurement results between the two groups.

Time	Groups	Cases	SCP vascular density (%)	DCP vascular density (%)	FAZ
					Area (mm^2)	Circumference (mm)
Before the operation	The study group	47
	The control group	47
			0.317	0.979	0.907	0.484
			0.752	0.330	0.367	0.630
3 months after the operation	The study group	47		^a	^a	^a
	The control group	47		^a	^a	^a
			0.286	4.877	4.306	5.712
			0.776	0.001	0.001	0.001

Note: compared with the same group before surgery, ^a.