Table 1 Significance of polymorphisms of CYP genes in PCOS in different ethenic populations. Summarizes the studies on CYP genes in PCOS

CYP11

(tttta)_n

Greek white

80 PCOS/90 controls

Yes

[47]

Chinese

201 PCOS/147 control

Yes

[48]

British

51 PCOS/280 controls

Yes

[49]

Indian

267 PCOS/275 controls

Yes

[5]

Indian

100 PCOS/100 controls

Yes

[50]

Chinese

96 PCOS/78 controls

No

[53]

rs4077582

Chinese

290 PCOS/344 controls

Yes

[54]

Chinese

604 PCOS/658 control

Yes

[55]

rs11632698

Chinese

290 PCOS/344 controls

Yes

[54]

Chinese

604 PCOS/658 control

No

[55]

CYP17

− 34 T/C SNP

Caucasian

NA

Yes

[63]

Greece

50 PCOS/50 controls

Yes

[64]

Korean

134 PCOS/100 controls

Yes

[65]

Indian

100 PCOS/100 controls

Yes

[50]

White Asian

49 PCOS/47 controls

No

[66]

British

259 PCOS/161controls

No

[67]

Chilean

159 PCOS/93 controls

No

[68]

Caucasian

287 PCOS/187 controls

No

[69]

Indian

60 PCOS/54 controls

No

[70]

Indian

75 PCOS/73 controls

No

[71]

CYP19

rs2414096

Spanish

186 PCOS/71 controls

Yes

[80]

Egyptian

30 PCOS/30 controls

Yes

[82]

Chinese

785 PCOS/ 297

Yes

[91]

Indian

249 PCOS/257

Yes

[83]

Mexican–mestizo

25 PCOS and 50 controls

No

[87]

Indian

103 PCOS

No

[88]

rs2470152

Chinese

364 PCOS/297 controls

No

[79]

(ttta)_n

Greek

180 PCOS/160 controls

Yes

[84]

Greek

132 PCOS/200 controls

Yes

[85]

Han Chinese

123 PCOS/113controls

Yes

[51]