The quantitative measurements of choroidal thickness and volume in diabetic retinopathy using optical coherence tomography and optical coherence tomography angiography; correlation with vision and foveal avascular zone

Table 2 Comparison between choroidal thickness of normal participants and patients with diabetes

Groups	Control (40) (M ± SD) (μm)	DR (136) (M ± SD) (μm)	P-value
CT	Control (40) (M ± SD) (μm)	DR (136) (M ± SD) (μm)	P-value
FT (median)	227.7 ± 26.8	262.8 ± 88.5	0.015
CMT	272.5 ± 23.0	297.9 ± 74.9	0.036
SFCT	322.5 ± 69.2	295.1 ± 73.1	0.037
CT N0.5 mm	322.1 ± 68.9	293.3 ± 80.1	0.041
CT N1.5 mm	281.4 ± 61.1	265.8 ± 81.1	0.260
CT T0.5 mm	306.8 ± 70.8	289.7 ± 70.2	0.178
CT T1.5 mm	285.3 ± 58.7	268.6 ± 76.6	0.208

**Choroidal thickness, FT Foveal thickness, DR Diabetic retinopathy, Subfoveal choroidal thickness

ISSN: 1471-2415