Groups/parameters

Control group

Diabetic group

Diabetic + vit-E group

Diabetic + Metformin group

Diabetic + Metformin + vit ? E group

Mean area %

0.16%

15.68%

5.77%

3.67%

0.22%

SD±

0.0427

4.1858

0.6103

3.7466

2.7967

p value

0.15

0.212

0.03

0.126

Significance

S

NS

S

S