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Table 1 Demographic data of the studied normal participants and diabetic patients

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)

Age (Y)

50 ± 0.7

59.2 ± 1.1

58.3 ± 1.1

59.1 ± 1.7

OD(%)

(50) 20

(51.3) 20

(51.6) 33

(57.6) 19

Sex Male (%)

(60) 24

(27.2) 11

(42.2) 27

(39.4) 13

BCVA (LOGMAR)

0.02 ± 0.01

0.09 ± 0.01

0.41 ± 0.11

0.59 ± 0.07

The last FBS (mg/dl)

–

158.4 ± 5.7

189.7 ± 8.3

202.1 ± 7.3

Duration of diabetes mellitus (Y)

–

12.3 ± 1.1

12.9 ± 0.7

16.5 ± 1.1

Hypertension number (%)

2 (5%)

16 (41%)

27 (42%)

17 (51.5%)

Hyperlipidemia number (%)

0 (5%)

15 (38.5%)

32 (50%)

16 48.5%)

DME

0 (0%)

0 (0%)

40 (62.5%)

19 (57.6%)

  1. **BCVA Best corrected visual acuity, DME Diabetic macular edema, FBS Fasting blood sugar, NDR No diabetic retinopathy, NPDR Nonproliferative diabetic retinopathy, PDR Proliferative diabetic retinopathy