Table 4 Stratified analyses of the rs10932201, rs2253206, and rs162209 polymorphisms in depression patients

rs10932201

Depressive episode

Severe

Mild

 AA

102 (40.5)

76 (33.3)

1.00 (Ref)

 GA

124 (49.2)

128 (56.1)

1.38 (0.93–2.05)

0.10

 GG

26 (10.3)

24 (10.5)

1.32 (0.69–2.53)

0.40

 GA/GG

150 (59.5)

152 (66.7)

1.37 (0.94–2.00)

0.10

Suicide attempt

Yes

No

 AA

115 (39.4)

63 (33.5)

1.00 (Ref)

 GA

142 (48.6)

110 (58.5)

1.44 (0.95–2.18)

0.09

 GG

35 (12)

15 (8)

0.81 (0.39–1.68)

0.56

 GA/GG

177 (60.6)

125 (66.5)

1.32 (0.88–1.97)

0.18

First episode

Yes

No

 AA

97 (39.1)

81 (34.9)

1.00 (Ref)

 GA

127 (51.2)

125 (53.9)

1.17 (0.79–1.73)

0.43

 GG

24 (9.7)

26 (11.2)

1.45 (0.75–2.81)

0.27

 GA/GG

151 (60.9)

151 (65.1)

1.20 (0.82–1.76)

0.34

rs2253206

Depressive episode

Severe

Mild

 GG

107 (42.5)

94 (41.4)

1.00 (Ref)

 GA

118 (46.8)

103 (45.4)

1.01 (0.68–1.50)

0.96

 AA

27 (10.7)

30 (13.2)

1.24 (0.68–2.26)

0.49

 GA/AA

145 (57.5)

133 (58.6)

1.05 (0.73–1.53)

0.78

Suicide attempt

Yes

No

 GG

120 (41.2)

81 (43.1)

1.00 (Ref)

 GA

140 (48.1)

81 (43.1)

0.87 (0.57–1.32)

0.51

 AA

31 (10.7)

26 (13.8)

1.26 (0.67–2.38)

0.48

 GA/AA

171 (58.8)

107 (56.9)

0.93 (0.63–1.38)

0.73

First episode

Yes

No

 GG

107 (43.1)

94 (40.7)

1.00 (Ref)

 GA

112 (45.2)

109 (47.2)

1.17 (0.79–1.74)

0.43

 AA

29 (11.7)

28 (12.1)

1.06 (0.58–1.93)

0.86

 GA/AA

140 (56.9)

136 (59.3)

1.14 (0.79–1.66)

0.48

rs162209

Depressive episode

Severe

Mild

 AA

163 (64.7)

158 (69.3)

1.00 (Ref)

 GA/GG

89 (35.3)

70 (30.7)

0.83 (0.56–1.22)

0.34

 Suicide attempt

Yes

No

 AA

191 (65.4)

130 (69.2)

1.00 (Ref)

 GA/GG

101 (34.6)

58 (30.9)

0.87 (0.58–1.32)

0.52

First episode

Yes

No

 AA

162 (65.3)

159 (68.5)

1.00 (Ref)

 GA/GG

86 (34.7)

73 (31.5)

0.90 (0.61–1.32)

0.58