Table 2 The distribution of genotypes of all SNPs: a) 0 represents the common homozygotes; b) 1 represents the heterozygotes; and c) 2 represents rare homozygotes

PS2

rs1046240

60 (38.7)

78 (50.3)

17 (11.0)

26 (43.3)

26 (43.3)

8 (13.3)

0.876

0.645

0.555

rs1295645

9 (5.8)

57 (36.8)

89 (57.4)

2 (3.3)

18 (30.0)

40 (66.7)

1.703

0.427

0.182

rs8383

16 (10.3)

83 (53.5)

56 (36.1)

8 (13.3)

26 (43.3)

26 (43.3)

1.830

0.401

0.456

NOS1

rs1047735

42 (27.1)

77 (49.7)

36 (23.2)

14 (23.3)

39 (65.0)

7 (11.7)

5.007

0.082

0.382

TrkB

rs1047896

127 (81.9)

28 (18.1)

0 (0.0)

44 (73.3)

15 (25.0)

1 (1.7)

4.026

0.134

0.140

rs1624327

3 (1.9)

46 (29.7)

106 (68.4)

2 (3.3)

19 (31.7)

39 (65.0)

0.494

0.781

0.748

rs2013566

5 (3.2)

53 (34.2)

97 (62.6)

2 (3.3)

14 (23.3)

44 (73.3)

2.401

0.301

0.171

rs7020204

4 (2.6)

53 (34.2)

98 (63.2)

2 (3.3)

15 (25.0)

43 (71.7)

1.714

0.425

0.323

rs920776

5 (3.2)

57 (36.8)

93 (60.0)

1 (1.7)

13 (21.7)

46 (76.7)

5.268

0.072

0.025

AKT1

rs1130233

27 (17.4)

70 (45.2)

58 (37.4)

7 (11.7)

33 (55.0)

20 (33.3)

1.978

0.372

0.729

G72

rs2391191

45 (29.0)

84 (54.2)

26 (16.8)

18 (30.0)

30 (50.0)

12 (20.0)

0.412

0.814

0.647

rs1421292

53 (34.2)

80 (51.6)

22 (14.2)

23 (38.3)

30 (50.0)

7 (11.7)

0.426

0.804

0.615

rs3916965

26 (16.8)

83 (53.5)

46 (29.7)

12 (20.0)

30 (50.0)

18 (30.0)

0.360

0.835

0.617

rs3916966

46 (29.7)

83 (53.5)

26 (16.8)

18 (30.0)

30 (50.0)

12 (20.0)

0.360

0.835

0.596

rs3918341

42 (27.1)

85 (54.8)

28 (18.1)

20 (33.3)

28 (46.7)

12 (20.0)

1.220

0.543

0.872

rs3918342

32 (20.6)

87 (56.1)

36 (23.2)

11 (18.3)

34 (56.7)

15 (25.0)

0.175

0.916

0.880

rs778294

107 (69.0)

41 (26.5)

7 (4.5)

42 (70.0)

18 (30.0)

0 (0.0)

2.914

0.233

0.464

rs947267

28 (18.2)

77 (50.0)

49 (31.8)

8 (13.3)

33 (55.0)

19 (31.7)

0.814

0.666

0.645

S100B

rs2300403

43 (27.7)

82 (52.9)

30 (19.4)

18 (30.0)

28 (46.7)

14 (23.3)

0.741

0.690

0.856

CNTF

rs2515362

12 (7.7)

71 (45.8)

72 (46.5)

11 (18.3)

25 (41.7)

24 (40.0)

5.105

0.078

0.070

APP

rs2830102

5 (3.2)

56 (36.1)

94 (60.6)

4 (6.7)

19 (31.7)

37 (61.7)

1.478

0.478

0.639

DISC1

rs4658971

7 (4.5)

56 (36.1)

92 (59.4)

2 (3.3)

24 (40.0)

34 (56.7)

0.372

0.830

0.731

rs821597

30 (19.4)

82 (52.9)

43 (27.7)

13 (21.7)

28 (46.7)

19 (1.7)

0.675

0.713

0.976

rs821616

122 (78.7)

28 (18.1)

5 (3.2)

50 (83.3)

8 (13.3)

2 (3.3)

0.695

0.706

0.510

BDNF

rs6265

46 (29.7)

73 (47.1)

36 (23.2)

15 (25.0)

31 (51.7)

14 (23.3)

0.521

0.771

0.630

NGF

rs6330

5 (3.2)

47 (30.3)

103 (66.6)

1 (1.7)

26 (43.3)

33 (55.0)

3.430

0.180

0.066

NTF3

rs6332

37 (23.9)

83 (53.5)

35 (22.6)

18 (30.0)

30 (50.0)

12 (20.0)

0.871

0.647

0.489

PS1

rs7523

106 (68.4)

40 (25.8)

9 (5.8)

38 (63.3)

22 (36.7)

0 (0.0)

5.418

0.067

0.635