Parameters

Hypertensive

(N = 20)

Controls

(N = 23)

p-value^*

Mean Age ± SD

54.1 ± 6.9

48.3 ± 10.9

0.205

Gender F/M

10/10

15/8

0.313

Race W/M/B

11/2/7

14/6/3

0.152

Diabetes mellitus (yes/no)

5/15

1/22

0.037

Alcohol (yes/no)

4/16

2/21

0.232

Smoke (yes/no)

8/12

7/16

0.377

Blood pressure

(mm Hg)

<120 - 140/80 - 90

5

22

-

≥140 - 159/90 - 99

15

1

-

Retinopathy degree

0-I

6

-

-

II-III

14

-

-

Monotherapy

9

-

-

Combined therapy

9

-

-

Without therapy

2

23

-