. 2020 Apr 21;21:85. doi: 10.1186/s12881-020-01018-w

Table 3.

Subgroup analysis of the association between DRD3 Ser9Gly and schizophrenia in HRR studies

Author	Year	Location	Ethnicity	Diagnostic criteria	Transmitted		Untransmitted		OR	95% CI	Z-value	P-value
Author	Year	Location	Ethnicity	Diagnostic criteria	Ser9	Gly9	Ser9	Gly9	OR	95% CI	Z-value	P-value
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