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Table 2 Distribution of genotype and allele among RPL patients and controls

From: Factor V Leiden 1691G > A mutation and the risk of recurrent pregnancy loss (RPL): systematic review and meta-analysis

Study author

RPL cases

Healthy control

P-HWE

MAF

GG

GA

AA

G

A

GG

GA

AA

G

A

Souza et al. [34]

52

4

0

108

4

378

6

0

762

6

0/87

0/007

Brenner et al. [35]

52

19

5

123

29

95

11

0

201

11

0/57

0/051

Wramsby et al. [36]

51

10

1

112

12

67

2

0

136

2

0/9

0/014

Murphy et al. [52]

39

2

0

80

2

527

13

0

1067

13

0/77

0/012

Pihusch et al. [33]

94

8

0

196

8

117

11

0

245

11

0/61

0/042

Younis et al.

63

12

3

138

18

131

8

0

270

8

0/72

0/028

Foka et al. [14]

65

15

0

145

15

96

4

0

196

4

0/83

0/02

Rai et al.

1037

72

2

2146

76

138

12

0

288

12

0/6

0/04

Carp et al.

104

4

0

212

4

77

5

0

159

5

0/77

0/03

Finan et al. [38]

65

38

7

168

52

56

11

0

123

11

0/46

0/082

Hohlagschwandtner et al.

130

15

0

275

15

97

4

0

198

4

0/83

0/019

Pauer et al. [39]

28

2

0

58

2

113

9

0

235

9

0/67

0/036

Mtiraoui et al.

116

24

6

256

36

93

6

0

192

6

0/75

0/03

Aksoy et al.

31

9

1

71

11

45

5

0

95

5

0/7

0/05

Mahjoub et al. [40]

152

40

8

344

56

189

11

0

389

11

0/68

0/027

Ulukus et al.

7

3

0

17

3

49

3

1

101

5

≤0.001

0/047

Sotiriadis et al.

94

5

0

193

5

99

3

0

201

3

0/88

0/014

Mohammad et al. [21]

25

10

0

60

10

41

4

0

86

4

0/75

0/044

Altintas et al. [41]

105

9

0

219

9

172

13

0

357

13

0/62

0/035

Toth et al. [42]

138

13

0

289

13

145

12

0

302

12

0/61

0/038

Pasquier et al.

296

15

0

607

15

574

25

0

1173

25

0/6

0/02

Biswas et al. [43]

83

2

0

168

2

31

0

0

62

0

≤0.001

0

Lvanov et al.

133

19

1

285

21

93

7

0

193

7

0/71

0/035

Mukhopadhyay et al. [44]

80

4

0

164

4

80

0

0

160

0

≤0.001

0

Ciacci et al. [45]

38

1

0

77

1

70

2

0

142

2

0/9

0/013

Mohamed et al. [46]

6

12

2

24

16

19

1

0

39

1

0/9

0/025

Hussein et al. [47]

104

36

5

244

46

181

24

0

386

24

0/37

0/058

Serrano et al. [17]

95

5

0

195

5

95

5

0

195

5

0/79

0/025

Settin et al.

54

17

1

125

19

69

1

0

139

1

0/95

0/007

Dissanayake et al. [32]

196

4

0

396

4

195

5

0

395

5

0/85

0/012

Gazi et al.

50

6

1

106

8

43

4

0

90

4

0/76

0/042

Karata et al.

66

16

2

148

20

66

18

0

150

18

0/27

0/107

Mierla et al. [48]

260

21

2

541

25

95

5

0

195

5

0/79

0/025

Ozdemir et al. [49]

433

109

1

975

111

104

2

0

210

2

0/92

0/009

Torabi et al. [50]

87

12

1

186

14

96

4

0

196

4

0/83

0/02

Kaur et al.

102

4

1

208

6

573

15

0

1161

15

0/75

0/012

Parveen et al.

950

50

0

1950

50

488

12

0

988

12

0/78

0/012

Ardestani et al.

78

2

0

158

2

79

1

0

159

1

0/95

0/006

Cardona et al. [51]

92

1

0

185

1

205

1

0

411

1

0/97

0/002

Kazerooni et al. [52]

43

12

5

98

22

54

4

2

112

8

0.48

0.734

Baumann et al.

592

49

0

1233

49

145

12

0

302

12

0/61

0/038

Parand et al. [53]

72

15

3

159

21

38

6

0

82

6

0/62

0/068

Zonouzi et al. [54]

87

2

0

176

2

50

0

0

100

0

≤0.001

0

Dutra et al.

142

3

0

287

3

131

4

0

266

4

0/86

0/014

Isaoglu et al.

47

13

0

107

13

39

1

0

79

1

0/93

0/012

Pietropolli et al. [55]

168

18

0

354

18

125

4

0

254

4

0/85

0/015

Lino et al.

79

4

0

162

4

96

2

0

194

2

0/91

0/01

Sharma et al. [56]

36

40

2

112

44

77

1

0

155

1

0/95

0/006

Farahmand et al.

302

28

0

632

28

340

10

0

690

10

0/78

0/014

Kashif et al. [57]

53

3

0

109

3

56

0

0

112

0

≤0.001

0

Gonçalves et al. [58]

133

4

0

270

4

98

2

0

198

2

0/91

0/01

Khaniani et al. [59]

202

8

0

412

8

158

2

0

318

2

0/93

0/006

Eldeen et al.

0

72

24

72

120

0

94

2

94

98

≤0.001

0/51

Wolski et al. [60]

333

26

0

692

26

378

21

1

777

23

0/23

0/028

Elgari et al. [61]

56

4

0

116

4

74

6

0

154

6

0/72

0/037

Mahmutbegović et al. [62]

44

7

0

95

7

142

12

0

296

12

0/61

0/038

Wingeyer et al.

239

8

0

486

8

105

2

0

212

2

0/92

0/009

Jusić et al.

51

9

0

111

9

77

3

0

157

3

0/86

0/018

Taghi Kardi et al.

236

12

2

484

16

109

5

2

223

9

≤0.001

0/038

Xu et al.

426

0

0

852

0

443

1

0

887

1

0/98

0/001

Bigdeli et al. [63]

150

30

20

330

70

192

8

0

392

8

0/77

0/02

Yengel et al.

130

1

14

261

29

102

0

3

204

6

0/65

0/394

  1. P-HWE p-value for Hardy–Weinberg equilibrium; MAF Minor allele frequency of control group