Table 2 Comparisons of parameters (mean ± SD) estimated in MOD 1 for each ethnic group in each Combination. Combination 1: without Ra; Combination 2: with Ra for both of glucose and FFA (Type I formula); Combination 3 with Ra of glucose only (Type I formula); Combination 4 with Ra of glucose only (Type II formula). AA: African –American women; white - white women

S _G

0.014 ± 0.007

0.012 ± 0.008

0.0046 ± 0.0053

0.0064 ± 0.0060

5.6e-3 ± 5.2e-3

6.3e-3 ± 6.4e-3

0.012 ± 0.009

0.0087 ± 0.0079

G _b

128.8 ± 41.1

138.1 ± 71.2

186.5 ± 119.9

162.29 ± 108.2

136.4 ± 107.9

156.9 ± 97.8

130.8 ± 70.1

142.8 ± 106.7

S _I

4.1e-4 ± 2.1e-4

6.3e-4 ± 4.5e-4

3.1e-4 ± 1.5e-4

5.1e-4 ± 3.0e-4^a

3.2e-4 ± 1.4e-4

4.9e-4 ± 2.6e-4^a

0.0077 ± 0.026

5.5e-4 ± 4.3e-4

C _x

0.042 ± 0.031

0.053 ± 0.049

0.076 ± 0.045

0.069 ± 0.032

0.12 ± 0.24

0.07 ± 0.03

0.046 ± 0.033

0.091 ± 0.11

I _bx

5.1 ± 4.1

5.4 ± 2.8

3.02 ± 3.72

4.54 ± 2.90

4.6 ± 3.5

4.1 ± 2.9

5.2 ± 4.2

5.5 ± 3.2

l ₀

0.008 ± 0.01

0.017 ± 0.038

0.0026 ± 0.0032

0.003 ± 0.0028

0.006 ± 0.007

0.0017 ± 0.0031^a

0.0086 ± 0.0092

7.4e-4 ± 1.3e-4^a

l ₂

0.14 ± 0.2

0.12 ± 0.14

0.12 ± 0.25

0.048 ± 0.077

0.12 ± 0.21

0.052 ± 0.085

0.089 ± 0.15

0.049 ± 0.067

X ₂

14.1 ± 15.3

14.1 ± 15.4

12.7 ± 14.18-

14.1 ± 15.6

12.7 ± 15.6

13.6 ± 15.3

13.1 ± 15.7

12.6 ± 14.1

C _f

0.092 ± 0.085

0.13 ± 0.19

0.035 ± 0.027

0.029 ± 0.012

0.047 ± 0.25

0.031 ± 0.010^a

0.063 ± 0.044

0.029 ± 0.012^a

K _Cl

25.3 ± 19.5

15.3 ± 20.3

23.32 ± 18.61

12.1 ± 17.1

21.7 ± 21.5

7.9 ± 11.9^a

18.6 ± 16.7

6.1 ± 13.6^a

m _G

-

-

118.4 ± 32.96

101.9 ± 37.1

124.9 ± 29.7

107.1 ± 40.7

-

-

σG

-

-

0.67 ± 0.29

1.1 ± 0.52^a

0.66 ± 0.32

0.90 ± 0.42

-

-

Δ _G

-

-

65.9 ± 33.6

63.2 ± 24.3

67.9 ± 30.6

65.5 ± 26.6

-

σ _F

-

-

0.61 ± 0.38

0.45 ± 0.31

-

-

-

-

Δ _F

-

-

0.32 ± 0.21

0.36 ± 0.19

-

-

-

-

ϕ _G

-

-

-

-

-

68.3 ± 41.7

58.1 ± 40.1

τ _G

-

-

-

-

-

-

68.4 ± 49.1

33.1 ± 27.8^a