Table 1 Clinical characteristics of subjects.

From: Association of changes of retinal vessels diameter with ocular blood flow in eyes with diabetic retinopathy

Characteristics

Control

NDR

M-NPDR

S-NPDR

PDR

p-value

N

24

47

36

22

32

Age (years)

67.2 ± 10.1

62.7 ± 12.9

63.4 ± 12.7

55.1 ± 12.6

59.7 ± 11.8

0.012

Sex (male:female)

11 : 13

27 : 20

21 : 15

13 : 9

16 : 16

0.797

Axial length (mm)

23.9 ± 1.1

24.0 ± 1.9

24.2 ± 1.1

24.2 ± 1.1

24.0 ± 1.0

0.832

HbA1c (%)

7.0 ± 0.9

7.8 ± 1.3

8.2 ± 2.0

7.3 ± 1.0

0.003

Duration of diabetes (years)

10.1 ± 6.9

17.6 ± 11.1

13.1 ± 7.8

17.3 ± 10.1

0.003

Systolic blood pressure (mmHg)

134.6 ± 16.5

126.6 ± 17.5

135.5 ± 25.2

131.8 ± 16.3

141.8 ± 29.7

0.079

Diastolic blood pressure (mmHg)

77.0 ± 9.4

76.1 ± 11.9

77.9 ± 12.9

78.8 ± 10.1

78.0 ± 15.9

0.902

Intra ocular pressure (mmHg)

13.0 ± 2.5

14.5 ± 2.5

14.8 ± 3.3

14.1 ± 3.4

15.2 ± 4.3

0.126

Ocular perfusion pressure (mmHg)

51.3 ± 7.2

47.5 ± 8.8

49.9 ± 10.0

50.2 ± 8.7

50.8 ± 11.2

0.436

Total cholesterol (mg/dl)

202.0 ± 35.6

178.4 ± 37.7

171.5 ± 32.9

186.2 ± 63.6

194.1 ± 37.7

0.102

Low-density lipoprotein (mg/dl)

102.2 ± 27.9

93.4 ± 26.1

95.0 ± 23.8

110.6 ± 32.4

0.210

High-density lipoprotein (mg/dl)

58.8 ± 21.7

51.6 ± 15.9

45.7 ± 13.0

50.1 ± 14.3

0.087

Triglyceride (mg/dl)

134.8 ± 92.4

128.6 ± 69.7

156.5 ± 114.7

149.7 ± 97.4

157.6 ± 82.2

0.655

Hypertension (n/%)

4/16.7

15/31.9

18/50.0

12/54.5

23/71.9

0.001

Dyslipidemia (n/%)

6/25.0

22/46.8

19/52.8

9/40.9

19/59.3

0.047