Excess of transmission of the G allele of the -1438A/G polymorphism of the 5-HT2Areceptor gene in patients with schizophrenia responsive to antipsychotics

Table 2 Transmission disequilibrium test (TDT) for the G allele of the -1438A/G polymorphism of the 5-HT_2A gene in a sample of 100 trios with schizophrenia according to good versus poor response to antipsychotics (May and Denker classification).

Sample	G allele		χ²	p
	Transmitted	Untransmitted
All patients	50	38	1.63	0.20
Good treatment response	17	6	5.26	0.02
Poor treatment response	33	32	0.01	0.90

ISSN: 1471-244X