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Table 4 Subfields choroidal volumes of the normal participants and patients with diabetes

From: 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

Groups

Control

(40 eyes)

(M-SD)

(μm)

NDR

(39eyes)

((M-SD)

(μm)

NPDR

(64eyes)

((M-SD)

(μm)

PDR

(33eyes)

((M-SD)

(μm)

P-value

CV

CCV (1 mm)

0.253 ± 0.047

0.239 ± 0.048

0.220 ± 0.037

0.224 ± 0.064

0.006

S3CV

0.494 ± 0.089

0.475 ± 0.088

0.439 ± 0.101

0.444 ± 0.131

0.065

I3CV

0.483 ± 0.089

0.486 ± 0.097

0.424 ± 0.079

0.426 ± 0.138

0.294

N3CV

0.498 ± 0.095

0.481 ± 0.098

0.436 ± 0.100

0.438 ± 0.127

0.004

T3CV

0.482 ± 0.090

0.461 ± 0.097

0.414 ± 0.075

0.426 ± 0.104

0.001

S6CV

1.647 ± 0.349

1.582 ± 0.274

1.407 ± 0.280

1.469 ± 0.420

0.002

I6CV

1.319 ± 0.288

1.425 ± 0.309

1.195 ± 0.272

1.202 ± 0.424

0.002

N6CV

1.578 ± 0.327

1.514 ± 0.322

1.388 ± 0.323

1.354 ± 0.358

0.002

T6CV

1.470 ± 0.262

1.430 ± 0.299

1.305 ± 0.252

1.338 ± 0.300

0.006

ATSMCV

8.13 ± 0.27

8.21 ± 0.21

7.13 ± 0.15

7.25 ± 0.39

0.001

  1. ** ATSMCV Total submacular choroidal volume, CCV Central choroidal volume (1 mm), I3CV Inferior-3 mm, I6CV Inferior-6 mm, N3V Nasal- 3 mm, N6CV Nasal- 6 mm, S3CV superior- 3 mm, S6CV Superior-6 mm, T6CV Temporal-6 mm, T3CV Temporal-3 mm
  2. *** NDR No diabetic retinopathy, NPDR Nonproliferative diabetic retinopathy, PDR Proliferative diabetic retinopathy