Skip to main content

Table 1 The characteristics of included studies

From: Effects of FSHR polymorphisms on premature ovarian insufficiency in human beings: a meta-analysis

First author, year

Country

Ethnicity

Age (years)

Case/Control

Sample size

Case/Control

Genotype distribution

P-value for HWE

NOS score

Cases

Controls

rs6165 A/G

 Bretherick 2008

Canada

Mixed

35.5/35.0

55/105

NA

NA

NA

7

 Conway 1999

UK

Caucasian

NA/NA

49/51

NA

NA

NA

7

 Cordts 2015

Brazil

Mixed

31.0/31.0

96/123

29/48/19

55/53/15

0.687

7

 da Fonte Kohek 1998

Brazil

Mixed

22.2/31.0

15/42

3/8/4

13/24/5

0.228

7

 Du 2010

China

Asian

NA/NA

40/92

20/18/2

40/37/15

0.207

7

 Ghezelayagh 2018

Iran

Mixed

NA/NA

84/80

24/50/10

28/48/4

0.004

8

 Juárez-Rendón 2018

Mexico

Mixed

30.0/27.0

20/50

8/10/2

26/17/7

0.147

8

 Liu 1998

Germany

Caucasian

NA/NA

5/4

2/3/0

3/1/0

0.775

7

 Ma 2015

China

Asian

29.8/29.3

63/58

33/25/5

28/25/5

0.861

7

 Sudo 2002

Japan

Asian

32.9/31.3

17/163

NA

NA

NA

7

 Sundblad 2004

Argentina

Caucasian

27.0/27.2

15/44

NA

NA

NA

7

 Tong 2001

Singapore

Asian

24.9/25.4

16/236

2/13/1

102/110/24

0.475

8

 Vilodre 2008

Brazil

Mixed

NA/NA

35/42

9/19/7

13/24/5

0.228

7

 Woad 2013

New Zealand

Caucasian

NA/NA

80/80

28/34/18

25/38/17

0.718

7

rs6166 A/G

 Bretherick 2008

Canada

Mixed

35.5/35.0

55/105

NA

NA

NA

7

 Conway 1999

UK

Caucasian

NA/NA

49/51

NA

NA

NA

7

 Cordts 2015

Brazil

Mixed

31.0/31.0

96/123

30/52/14

34/68/21

0.190

7

 da Fonte Kohek 1998

Brazil

Mixed

22.2/31.0

15/42

5/7/3

13/24/5

0.228

7

 Du 2010

China

Asian

NA/NA

37/90

16/19/2

40/34/16

0.077

7

 Kim 2011

South Korea

Asian

NA/NA

83/176

23/51/9

67/89/20

0.238

7

 Ma 2015

China

Asian

29.8/29.3

63/58

31/30/2

32/22/4

0.934

7

 Sudo 2002

Japan

Asian

32.9/31.3

17/168

NA

NA

NA

7

 Sundblad 2004

Argentina

Caucasian

27.0/27.2

15/44

NA

NA

NA

7

 Tong 2001

Singapore

Asian

24.9/25.4

16/236

5/11/0

91/132/13

< 0.001

8

 Vilodre 2008

Brazil

Mixed

NA/NA

35/42

15/15/5

13/24/5

0.228

7

 Woad 2013

New Zealand

Caucasian

NA/NA

80/80

29/33/18

26/37/17

0.572

7

 Yin 2016

China

Asian

31.3/29.2

79/118

25/37/17

43/45/30

0.013

8

  1. Abbreviations: HWE Hardy-Weinberg equilibrium, NOS Newcastle-Ottawa scale, NA Not available