Comparison of two different optical coherence tomography angiography devices in detecting healthy versus glaucomatous eyes – an observational cross-sectional study

Table 8 Test-retest reliability of optic disc and macular scans of glaucomatous and healthy eyes using AngioVue

Eyes	Scan	Layers	Overall mean	Sw	Sw 95% CI	CV	CR_w	CR_w 95% CI
Glaucoma	Optic disc	Vitreous	0.054	0.012	0.009–0.015	22	0.033	0.025–0.041
		Radial peripapillary capillaries	0.050	0.016	0.013–0.020	33	0.046	0.035–0.057
		Nerve head	0.095	0.016	0.013–0.020	17	0.045	0.035–0.055
		Choroid	0.178	0.027	0.021–0.033	15	0.075	0.057–0.092
	Macula	Superficial retina	0.074	0.007	0.005–0.008	9	0.018	0.014–0.023
		Deep retina	0.106	0.011	0.008–0.013	10	0.030	0.022–0.037
		Outer retina	0.083	0.012	0.009–0.015	14	0.033	0.025–0.041
		Choroid	0.128	0.010	0.007–0.012	7	0.027	0.020–0.033
Control	Optic disc	Vitreous	0.103	0.027	0.022–0.031	26	0.074	0.062–0.087
		Radial peripapillary capillaries	0.135	0.022	0.019–0.026	17	0.062	0.052–0.072
		Nerve head	0.197	0.029	0.025–0.034	15	0.081	0.068–0.094
		Choroid	0.264	0.042	0.035–0.049	16	0.117	0.098–0.137
	Macula	Superficial retina	0.118	0.016	0.013–0.019	14	0.045	0.036–0.053
		Deep retina	0.251	0.017	0.013–0.020	7	0.046	0.037–0.055
		Outer retina	0.188	0.027	0.022–0.032	14	0.075	0.061–0.089
		Choroid	0.255	0.020	0.016–0.024	8	0.056	0.045–0.066

Sw Within-subject standard deviation; CI Confidence interval; CV Coefficient of variation; CR_w Coefficient of repeatability

ISSN: 1471-2415