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Table 1 Characteristics of included studies

From: Effects of simvastatin on serum adiponectin: a meta-analysis of randomized controlled trials

Author (year)

Design

Population

Number of subjects

Mean age

Male

Mean BMI

Dose

Duration

Adiponectin measurement

Years

%

Kg/mb

mg/d

Weeks

Koh 2004 [13]

R, DB, PC, CO

HTN patients

47

57.0

42.6

25.2

20

8

ELISA

Koh 2005 [14]

R, DB, PC, CO

T2DM patients

50

59.0

60.0

25.5

20

8

ELISA

Devaraj 2007 [15]

R, DB, PC

MetS patients

50

51.0

28.0

39.0

40

8

RIA

Pfutzner 2007 [16]

R, DB, PC

Non DM patients of increased CV risk

84

58.9

36.9

31.3

40

12

RIA

Gouni-Berthold 2008 [17]

R

Healthy male

48

31.4

100.0

25.4

40

2

RIA

Koh 2008–10 mga [18]

R, DB, PC

HC patients

38

57.4

46.8

25.9

10

8

ELISA

Koh 2008–20 mga [18]

R, DB, PC

HC patients

40

58.2

46.9

26.7

20

8

ELISA

Koh 2008–40 mga [18]

R, DB, PC

HC patients

39

59.8

46.0

26.6

40

8

ELISA

Koh 2008–80 mga [18]

R, DB, PC

HC patients

39

59.0

47.6

26.3

80

8

ELISA

Koh 2009 [20]

R, SB, PC

HC patients

85

58.5

38.8

24.9

20

8

ELISA

Hu 2009 [19]

R

T2DM patients with carotid atherosclerosis

43

57.0

53.5

24.3

40

12

ELISA

Koh 2011b-20 mgb [21]

R, SB, PC

HC patients

67

57.7

46.1

24.4

20

8

ELISA

Koh 2011b-40 mgb [21]

R, SB, PC

HC patients

67

59.7

44.9

24.5

40

8

ELISA

Moezzi 2014 [23]

R, DB, PC, CO

Patients of increased CV risk

102

45.1

39.2

30

40

4

ELISA

Krysiak 2014 [22]

R, SB, PC

HC patients

44

51.5

59

26.8

40

12

ELISA

Koh 2015 [24]

R, SB, PC

HC patients

102

57

52.9

24.7

20

8

ELISA

  1. Abbreviations: BMI body mass index, R random, DB double-blinded, PC placebo controlled, CO rossover, SB single-blinded, ELISA enzyme-linked immunosorbent assay, RIA radioimmunoassay, HC hypercholesterolemic, HTN hypertension, T2DM type 2 diabetes mellitus, MetS metabolic syndrome, CV cardiovascular, DM diabetes mellitus
  2. aThe study by Koh et al (2008) [18] included four simvastatin treatment arms with dosages of 10, 20, 40, 80 mg/d respectively, and these comparisons were included separately
  3. bThe study by Koh et al (2011b) [21] included two simvastatin treatment arms with dosages of 20 and 40 mg/d respectively, and both the comparisons were included separately