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

Table 9 Test-retest reliability of optic disc and macular scans of glaucomatous and healthy eyes using SweptSource

Eyes	Scan	Layers	Overall mean	Sw	Sw 95% CI	CV	CR_w	CR_w 95% CI
Glaucoma	Optic disc	Superficial retina	0.277	0.121	0.093–0.149	44	0.335	0.258–0.412
		Deep retina	0.278	0.117	0.090–0.143	42	0.323	0.248–0.398
		Choroid	0.432	0.125	0.097–0.153	29	0.347	0.268–0.425
	Macula	Superficial retina	0.245	0.120	0.092–0.148	49	0.332	0.254–0.410
		Deep retina	0.254	0.117	0.090–0.145	46	0.325	0.249–0.401
		Choroid	0.389	0.114	0.088–0.140	29	0.316	0.243–0.389
Control	Optic disc	Superficial retina	0.234	0.065	0.055–0.075	28	0.181	0.153–0.209
		Deep retina	0.241	0.065	0.055–0.075	27	0.181	0.153–0.209
		Choroid	0.347	0.068	0.058–0.079	20	0.189	0.160–0.219
	Macula	Superficial retina	0.226	0.111	0.094–0.128	49	0.307	0.259–0.355
		Deep retina	0.241	0.115	0.097–0.133	48	0.320	0.270–0.369
		Choroid	0.333	0.106	0.089–0.122	32	0.294	0.248–0.339

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

ISSN: 1471-2415