Correlation between choroidal vascularity and retrobulbar ocular blood flow changes and thyroid-associated ophthalmopathy activity: a cross-sectional study

Table 4 Retrobulbar parameters in relation to retinal/choroidal vascularity

Variables	Choroidal vascularity parameters				Retinal parameters
	TCA	LA	SA	CVI	SVD	DVD
OA-PSV	-0.1	0.09	-0.07	0.07	0.09	0.06
OA- EDV	0.03	-0.02	0.05	0.06	-0.02	-0.002
OA-RI	-0.08	0.16	-0.09	0.19	0.09	-0.08
OA-PI	-0.10	0.12	-0.11	0.15	0.07	-0.07
CRA-PSV	-0.004	0.09	-0.12	0.01	0.08	-0.16
CRA-EDV	-0.04	0.11	-0.08	0.18	0.11	0.16
CRA-RI	0.004	-0.02	-0.03	-0.13	-0.07	-0.27
CRA-PI	0.004	-0.02	-0.04	-0.12	-0.07	-0.25
PCA-PSV	0.00	0.18	-0.08	-0.09	-0.09	-0.05
PCA-EDV	0.03	0.33*	-0.14	0.31*	0.09	0.008
PCA-RI	-0.06	-0.42*	0.14	-0.32*	-0.27*	0.15
PCA-PI	0.02	-0.41*	0.25	-0.44*	0.07	-0.13

TCA total choroidal area, LA luminal area, SA stromal area, and CVI choroidal vascularity index, SVD superficial vessel density, DVD deep vessel density, OA PSV ophthalmic artery peak systolic velocity, OA EDV ophthalmic artery end diastolic velocity, OA PI ophthalmic artery pulsatile index, OA RI ophthalmic artery resistance index, CRA PSV central retinal artery peak systolic velocity, CRA EDV central retinal artery end diastolic velocity, CRA PI central retinal artery pulsatile index, CRA RI central retinal artery resistance index, PCA PSV posterior ciliary artery peak systolic velocity, PCA EDV posterior ciliary artery end diastolic velocity, PCA PI posterior ciliary artery pulsatile index, PCA RI posterior ciliary artery resistance index
^*p < 0.05

ISSN: 1471-2415