Vitamin D status

NSC grading of diabetic retinopathy

P value

R0M0

R1M0

R1M1

R2M1

n

%

n

%

n

%

n

%

Deficiency

(<20 ng/ml)

16

53

13

76

11

100

2

100

Normal

(20 - 50 ng/ml)

14

47

4

24

0

0

0

0

Mean ± SD

20.15 ± 5.06

19.61 ± 3.49

14.83 ± 1.11

12.45 ± 0.49

0.001

Range (min-max)

12.10 - 28.40

16.10 - 27.0

12.9 - 16.30

12.10 - 12.80