TABLE 3.

Distribution of phenotypes in two groups.

Gene phenotype	Guided (%)	Unguided (%)	P-value
CYP2D6
Poor metabolizer	0	2 (5)	.
Intermediate metabolizer	15 (48.39)	15 (37.50)	0.637
Extensive metabolizer	15 (48.39)	22 (55)
Ultrarapid metabolizer	1 (3.22)	1 (2.5)
CYP2C19
Poor metabolizer	3 (9.68)	3 (7.5)	0.370
Intermediate metabolizer	19 (61.29)	19 (47.5)
Extensive metabolizer	9 (29.03)	18 (45)
CYP1A2
Extensive metabolizer	11 (35.48)	15 (37.5)	1.00
Ultrarapid metabolizer	20 (64.52)	25 (62.5)
SLC6A4
LL	2 (6.45)	3 (7.5)
LS	2 (6.45)	12 (30)	0.036
SS	27 (87.10)	25 (62.5)
HTR2A
AA	1 (3.23)	4 (10)	0.519
AG	12 (38.71)	12 (30)
GG	18 (58.06)	24 (60)

The p-values were obtained by the chi-square test.