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Table 3 Subfields choroidal thickness 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-range)

(μm)

NDR

(39eyes)

((M-range)

(μm)

NPDR

(64eyes)

((M-range)

(μm)

PDR

(33eyes)

((M-range)

(μm)

P-value

CT

CCT 1 mm

322.5 ± 61.1

306.2 ± 63.1

280.3 ± 48.1

285.9 ± 82.3

0.007

S3

314.6 ± 57.6

301.7 ± 56.8

273.6 ± 44.4

288.0 ± 81.3

0.010

I3

308.2 ± 57.6

309.3 ± 62.1

270.8 ± 50.6

271.5 ± 87.5

0.002

N3

317.1 ± 60.9

306.9 ± 62.5

278.4 ± 63.9

279.2 ± 81.4

0.004

T3

307.1 ± 56.9

293.3 ± 62.1

263.9 ± 47.7

270.8 ± 65.9

0.001

S6

310.5 ± 66.1

298.6 ± 51.7

268.7 ± 47.1

274.8 ± 78.4

0.002

I6

248.9 ± 54.5

268.8 ± 58.3

229.1 ± 51.6

226.9 ± 80.1

0.002

N6

297.9 ± 61.7

283.1 ± 63.3

260.5 ± 62.1

256.7 ± 68.8

0.003

T6

277.5 ± 49.4

269.8 ± 56.5

246.3 ± 47.6

252.5 ± 56.8

0.003

ATSMCT

319.4 ± 10.6

298.3 ± 12.9

284.9 ± 6.7

291.6 ± 17.7

0.113

  1. **ATSMCT Average total submacular choroidal thickness, CCT Central choroidal thickness at 1 mm around fovea, CT Choroidal thickness, I3 inferior- 3 mm, I6 Inferior-6 mm, N3 Nasal- 3 mm, Nasal- 6 mm, S3 Superior- 3 mm, S6 Superior-6 mm, N6: T3 Temporal-3 mm, T6 Temporal-6 mm
  2. ***NDR No diabetic retinopathy, NPDR Nonproliferative diabetic retinopathy, PDR Proliferative diabetic retinopathy