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Table 2 Parameters of glucose metabolism before and after treatment in PCOS patients

From: Comparison of glycemic control and β-cell function in new onset T2DM patients with PCOS of metformin and saxagliptin monotherapy or combination treatment

Parameters

Saxagliptin

Saxagliptin + Metformin

Metformin

 

Baseline

Treatment

Δ

Baseline

Treatment

Δ

Baseline

Treatment

Δ

FBG, mmol/L

5.63 (5.31 to 5.96)

5.39 (5.15 to 5.62)*

−0.25 (− 0.49 to 0)

5.84 (5.62 to 6.06)

5.14 (5 to 5.27)**

− 0.7 (− 0.94 to − 0.46)

5.62 (5.39 to 5.84)

5.01 (4.88 to 5.14)**

−0.61 (− 0.86 to 0.35)

2hBG, mmol/L

14.73 (13.49 to 15.97)

7.23 (6.61 to 7.85)**

−7.5 (− 8.62 to − 6.38)

15.59 (14.26 to 16.92)

7.4 (6.93 to 7.86)**

−8.2 (− 9.5 to − 6.9)

14.64 (13.66 to 15.62)

7.78 (7.36 to 8.2)**

−6.86 (− 8.02 to − 5.7)

FINS, μIU/mL

15.78 ± 6.7

11.55 ± 4.57**

− 4.23 ± 3.86

16.18 ± 5.3

10.67 ± 2.99**

−5.51 ± 2.92

14.34 ± 4.85

10.26 ± 1.74**

− 4.08 ± 4.45

2hINS, μIU/mL

100.24 (80.63–119.85)

63.24 (49.57–76.91)**

−37 (− 49.94 to − 24.06)

111.82 (92.73 to 130.91)

69.49 (58.84 to 80.14)**

− 42.33 (− 57.39 to − 27.27)

100.26 (84.59 to 115.94)

61.15 (49.87 to 72.43)**

−39.11 (− 53.1 to − 25.13)

HbA1c, %

7.4 ± 0.3

6.3 ± 0.2**

− 1.1 ± 0.4*

7.4 ± 0.3

6.1 ± 0.2**

− 1.3 ± 0.3*

7.3 ± 0.2

6.3 ± 0.3**

−1.1 ± 0.4*

AUC glucose

16.63 (15.65 to 17.62)

11.7 (10.82 to 12.57)**

−4.94 (− 5.62 to − 4.26)

17.18 (16.16 to 18.21)

11.53 (10.92 to 12.14)**

−5.66 (− 6.44 to − 4.87)

16.5 (15.81 to 17.19)

11.19 (10.72 to 11.66)**

−5.31 (− 6.07 to − 4.56)

AUC insulin

129.93 (105.47 to 154.39)

98.75 (83.41 to 114.1)**

−31.18 (− 44.49 to − 17.87)

148.2 (128 to 168.41)

120.77 (109.13 to 132.4)**

−27.44 (− 41.07 to − 13.81)

122.66 (104.04 to 141.27)

88.67 (76.72 to 100.62)**

−33.99 (− 48.58 to − 19.4)

HOMA-IR

4.03 (3.11 to 4.95)

2.82 (2.21 to 3.42)**

−1.21 (− 1.71 to − 0.71)

4.22 (3.55 to 4.89)

2.45 (2.1 to 2.8)**

−1.77 (− 2.17 to − 1.38)

3.56 (3.01 to 4.11)

2.29 (2.1 to 2.47)**

−1.28 (− 1.82 to − 0.74)

HOMA-IS

157.2 (123.12 to 191.28)

125.36 (101.75 to 148.96)*

−31.85 (− 61.16 to − 2.54)

141.38 (119.5 to 163.25)

133.3 (115.27 to 151.33)

−8.07 (−30.3 to 14.15)

143.91 (116.96 to 170.86)

141.32 (121.93 to 160.71)

−2.59 (− 28.77 to 23.58)

Insulinogenic Index

21.04 (15.19 to 26.89)

20.32 (15.72 to 24.91)

−0.72 (− 4.99 to 3.54)

23.65 (18.11 to 29.19)

22.57 (18.23 to 26.91)

−1.08 (− 5.65 to 3.49)

19.35 (14.84 to 23.87)

18.76 (15.23 to 22.29)

−0.6 (− 6.15 to 4.96)

Matsuda Index

50 (39.81 to 60.18)

78.6 (63.89 to 93.32)**

28.61 (21.58 to 35.63)

42.41 (35.12 to 49.7)

71.37 (62.45 to 80.29)**

28.96 (25.24 to 32.69)

50.12 (44.35 to 55.89)

84.82 (76.28 to 93.37)**

35.26

(27.86 to 42.66)

DI

6.1 (4.42 to 7.77)

8.7 (6.2 to 11.19)**

2.6 (0.59 to 4.62)

5.99 (4.5 to 7.49)

9.57 (8.11 to 11.03)**

3.57 (1.81 to 5.34)

5.63 (4.23 to 7.02)

8.71 (6.29 to 11.13)**

3.09 (0.53 to 5.64)

  1. Data are presented as mean ± SD or mean (95% CI). P-values are based on the paired t-test for variables of normal distribution and the Wilcoxon signed-rank test for variables of skewed distribution, for differences between baseline and after the 24-week treatment; one-way ANOVA for variables of normal distribution and the Kruskal–Wallis test for variables of skewed distribution for differences among three groups. Δ denotes the changes after treatment compared with baseline. * P < 0.05 and ** P < 0.01 for changes before and after treatment in treatment columns, and for changes among three groups in Δ columns
  2. FBG fasting blood glucose, 2hBG 2-h blood glucose, FINS fasting insulin, 2hINS 2-h insulin, HbA1c hemoglobin A1c, AUC glucose glucose area under the curve during oral glucose tolerance test (OGTT), AUC insulin insulin area under the curve during OGTT, HOMA-IR homeostasis model assessment of insulin resistance, HOMA-IS homeostasis model assessment of insulin secretion, DI deposition index