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Table 2 Allele and genotype frequencies for the SLC6A4 STin2 VNTR polymorphism

From: STin2 VNTR polymorphism in the serotonin transporter gene and migraine: pooled and meta-analyses

Author

Disease status

Study size

Allele frequencies, n (%)

Genotype frequencies, n (%)

STin2.9

STin2.10

STin2.12

Othera

STin2.10/STin2.10

STin2.10/STin2.12

STin2.12/STin2.12

Ogilvie [10]

Controls

133

3 (1.1)

107 (40.2)

156 (58.7)

3 (2.3)

19 (14.3)

68 (51.1)

43 (32.3)

Any migraine

285

14 (2.5)

187 (32.8)

369 (64.7)

14 (4.9)

38 (13.3)

105 (36.8)

128 (44.9)

MA

94

6 (3.2)

66 (35.1)

116 (61.7)

6 (6.4)

15 (16.0)

32 (34.0)

41 (43.6)

MO

173

6 (1.7)

113 (32.7)

227 (65.6)

6 (3.5)

22 (12.7)

68 (39.3)

77 (44.5)

Lea [13]

Controls

141

4 (1.4)

112 (39.7)

166 (58.9)

4 (2.8)

33 (23.4)

45 (31.9)

59 (41.8)

Any migraine

148

5 (1.7)

116 (39.2)

175 (59.1)

5 (3.4)

34 (23.0)

46 (31.1)

63 (42.6)

MA

81

3 (1.9)

64 (39.5)

95 (58.6)

3 (3.7)

19 (23.5)

25 (30.9)

34 (42.0)

MO

67

2 (1.5)

52 (38.8)

80 (59.7)

2 (3.0)

15 (22.4)

21 (31.3)

29 (43.3)

Yilmaz [9]

Controls

79

0 (0.0)

53 (33.5)

105 (66.5)

0 (0.0)

14 (17.7)

25 (31.6)

40 (50.6)

Any migraine

37

0 (0.0)

38 (51.4)

36 (48.6)

0 (0.0)

10 (27.0)

18 (48.6)

9 (24.3)

Racchi [11]

Controls

32

2 (3.1)

30 (46.9)

32 (50.0)

2 (6.3)

9 (28.1)

12 (37.5)

9 (28.1)

MA

44

0 (0.0)

35 (39.8)

53 (60.2)

0 (0.0)

3 (6.8)

29 (65.9)

12 (27.3)

Szilagyi [12]

Controls

464

13 (1.4)

340 (36.6)

575 (62.0)

13 (2.8)

59 (12.7)

220 (47.4)

172 (37.1)

Any migraine

87

3 (1.7)

55 (31.6)

116 (66.7)

3 (3.4)

8 (9.2)

38 (43.7)

38 (43.7)

MA

38

2 (2.6)

19 (25.0)

55 (72.4)

2 (5.3)

3 (7.9)

13 (34.2)

20 (52.6)

MO

49

1 (1.0)

36 (36.7)

61 (62.2)

1 (2.0)

5 (10.2)

25 (51.0)

18 (36.7)

  1. MA migraine with aura, MO migraine without aura
  2. aSTin2.9/STin2.10 and STin2.9/STin2.12