Skip to main content

Table. 1 Demographic characteristics of the studies included

From: Association between dipeptidyl peptidase-4 inhibitors use and leptin in type 2 diabetes mellitus

Study, year

Location

Treatment

arm (n)

HbA1c(%)

Male (n)

Age (years)

BMI (kg/m2)

Diabetes duration (years)

Treatment duration (months)

Leptin (ng/mL)

Takeshita [37]

Japan

Sitagliptin:28

Mitiglinide:29

6.7 ± 0.6

6.9 ± 0.8

18

19

61.0 ± 13.8

65.8 ± 9.7

24.5 ± 3.8

24.2 ± 4.6

86.4 ± 90

145.2 ± 122.4

4

8.7 ± 6.5

10.5 ± 13.4

Takeshita [38]

Japan

Vildagliptin:53

Liraglutide:49

8.1 ± 1.2

8.0 ± 0.9

36

35

64.5 ± 12.7

64.9 ± 1.9

24.5 ± 4.6

25.4 ± 4.8

NS

3

8.1 ± 6.9

6.9 ± 5.7

Kato [39]

Japan

Sitagliptin:10

Glimepiride:10

7.2 ± 0.2

7.3 ± 0.2

6

5

62 ± 4.7

55 ± 6.7

25.6 ± 2.6

26.6 ± 2.5

NS

6

12.6 ± 2.3

10.3 ± 3.0

Matsushima [40]

Japan

Sitagliptin: 120

Voglibose:121

7.9 ± 1.0

7.8 ± 0.8

72

71

63.2 ± 13.8

63.2 ± 11.6

25.0 ± 4.5

25.1 ± 4.5

NS

3

8.3 ± 6.9

9.0 ± 9.3

Dore [41]

American

Saxagliptin:21

Placebo:21

7.0 ± 0.8

6.6 ± 0.5

10

14

58.3 ± 5.7

56.4 ± 8.5

32.3 ± 4.2

31.5 ± 4.8

120

3

19.4 ± 3.7

14.1 ± 2.1

Takihata [42]

Japan

Sitagliptin:17

Luseogliflozin:17

10.0 ± 1.41

0.4 ± 1.0

14

15

52.8 ± 15.5

52.1 ± 15.3

26.8 ± 5.1

26.4 ± 4.8

NS

3

9.1 ± 6.7

7.2 ± 4.7

Takeshita [43]

Japan

Alogliptin:42

Metfomin:42

7.5 ± 1.07

.4 ± 1.2

29

29

63.8 ± 10.5

63.1 ± 13.1

25.4 ± 6.1

24.4 ± 4.0

122.4 ± 124.8

169.2 ± 156

3

11.2 ± 12.8

8.4 ± 10.7

Schiapaccassa [44]

Brazil

Vildagliptin:19

Metformin:19

8.0 ± 1.8

7.9 ± 2.0

0

0

39.1 ± 5.3

39.8 ± 7.7

36.0 ± 4.0

38.5 ± 6.1

NS

1

21.9 ± 19.4

25.4 ± 13.3

Awal [45]

American

Linagliptin:14

Placebo:17

7.1 ± 0.7

7.4 ± 1.0

11

7

61.0 ± 5.0

63.0 ± 6.0

31.2 ± 4.4

30.6 ± 2.9

 ≤ 180

3

21.7 ± 22.8

22.5 ± 12.6

Komorizono [46]

Japan

Linagliptin:24

Metformin:25

7.0 ± 0.5

7.2 ± 0.8

10

9

49.4 ± 10.8

55.6 ± 10.2

29.7 ± 4.9

27.9 ± 4.1

NS

13

17.7 ± 9.3

18.5 ± 8.2