Table 1 Clinical Characteristics of included diabetic participants in the analysis compared with excluded participants.

From: Determinants of Quantitative Optical Coherence Tomography Angiography Metrics in Patients with Diabetes

 

Included

Excluded

P-value

by eyes (n = 434)

by eyes (n = 72)

Diabetic retinopathy severity (no/mild/moderate/severe or above)

171/120/114/29 (39%/28%/26%/7%)

30/11/13/18 (41%/16%/18%/25%)

<0.001

Presence of diabetic macular edema

55 (12.7%)

10 (13.9%)

0.775

Axial length, mm

23.89 (1.29)

24.38 (1.57)

0.023

Anterior chamber depth, mm

3.29 (0.65)

3.32 (0.52)

0.641

Spherical equivalent, diopter

−0.95 (2.46)

−2.60 (5.11)

0.015

Central corneal thickness, µm

557.31 (32.87)

545.41 (46.61)

0.070

Intraocular pressure, mmHg

15.98 (3.01)

17.00 (3.26)

0.022

LogMAR

0.21 (0.16)

0.38 (0.30)

<0.001

Ocular perfusion pressure, mmHg

55.70 (9.27)

56.89 (8.21)

0.277

Central subfield macular thickness, µm

256.0 (36.99)

292.36 (109.94)

0.023

Average ganglion cell inner plexiform layer thickness, µm

79.2 (10.17)

76.06 (11.22)

0.043

Average peripapillary retinal nerve fiber layer thickness, µm

91.33 (10.78)

88.88 (9.62)

0.100

Subfoveal choroidal thickness, µm

194.76 (78.61)

176.26 (91.32)

0.161

 

by subjects (n = 286)

by subjects (n = 15)

 

Gender, Female

164 (57.3%)

10 (66.7%)

0.476

Age, year

65.69 (10.73)

67.07 (7.89)

0.530

Duration of diabetes, year

13.52 (9.37)

8.69 (7.81)

0.035

Body mass index, kg/m2

26.18 (5.07)

24.91 (3.62)

0.217

Systolic blood pressure, mmHg

144.22 (19.81)

143.83 (13.57)

0.919

Diastolic blood pressure, mmHg

77.79 (10.41)

76.27 (10.99)

0.191

Pulse pressure, mmHg

67.2 (17.9)

73.9 (13.7)

0.609

Mean arterial blood pressure, mmHg

99.93 (11.21)

98.79 (9.78)

0.669

HbA1c, %

7.42 (1.37)

7.21 (1.18)

0.518

Fasting glucose, mmol/L

7.82 (2.30)

6.77 (2.05)

0.128

Creatinine, µmol/L

98.53 (83.18)

96.83 (43.54)

0.903

Estimated glomerular filtration rate, mL/min/1.73 m2

72.41 (23.05)

63.25 (19.52)

0.141

Total cholesterol, mmol/L

4.18 (0.91)

4.06 (0.45)

0.382

HDL cholesterol, mmol/L

1.31 (0.41)

1.26 (0.33)

0.642

LDL cholesterol, mmol/L

2.26 (0.69)

2.01 (0.34)

0.037

  1. Data are N (%) or mean (standard deviation).
  2. HDL = High-density lipoprotein; LDL = Low-density lipoprotein; LogMAR: logarithm of the minimum angle of resolution.
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