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Table 2 The effects of vitamin D supplementation on FBS, insulin and HOMA- IR at different baseline vitamin D concentration (Drop line plot of vitamin D)

From: The effect of vitamin D on insulin resistance in patients with type 2 diabetes

Variable

Vitamin D <20 (n=20)

Vitamin D 20–30 (n=10)

Vitamin D 30–45 (n=15)

Before

after

sig

Before

after

sig

Before

after

sig

FBS (mg/dl)

154±31.9

148±44.9

0.4

146±42.3

144±33.6

0.9

133±32.8

138±36.3

0.4

Insulin (μIu/ml)

10.16±9.2

9.1±6.1

0.6

8.7±10.1

14.5±15.5

0.3

11.5±10.3

9.3±8.6

0.4

HOMA_IR

3.6±1.2

3.05±1.6

0.6

3.2±4.05

5.8±6.4

0.2

3.8±3.7

3.5±3.6

0.6

Variable

Vitamin D 40–60 (n=45)

Vitamin D>60(n=10)

before

after

sig

before

after

sig

FBS(mg/dl)

131±34.6

120±35.6

0.02

146±48.3

126±43.6

0.3

Insulin(μIu/ml)

11.8±9.8

7.5±7

0.006

7.4±6.09

5.7±3.3

0.9

HOMA_IR

3.6±3.05

2.2v2.6

0.001

2.6±2.09

1.79±1.38

0.4