Author | Year | Location | Ethnicity | Diagnostic criteria | Transmitted | Untransmitted | OR | 95% CI | Z-value | P-value | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Ser9 | Gly9 | Ser9 | Gly9 | |||||||||
Ambrosio42 | 2004 | Portugal | Caucasian | DSM-IV | 122 | 58 | 126 | 54 | 0.901 | 0.577–1.409 | −0.455 | 0.649 |
Zai49 | 2010 | Canada | Caucasian | DSM-IV | 46 | 34 | 50 | 30 | 0.812 | 0.431–1.530 | −0.645 | 0.519 |
Total |  |  |  |  | 168 | 92 | 176 | 84 | 0.871 | 0.604–1.254 | −0.744 | 0.457 |