Table 2.

Distribution of phenotypes of cytochromes enzymes involved in the metabolism of citalopram, paroxetine, fluoxetine, and sertraline among the participants

	Total	Citalopram	Fluoxetine	Paroxetine	Sertraline
	N = 663	N = 202	N = 191	N = 107	N = 163
CYP2C19
Poor/intermediate metabolizer, n	196 (30%)	58 (29%)			46 (28%)
Normal metabolizer, n	268 (40%)	83 (41%)			66 (41%)
Rapid/ultrarapid metabolizer, n	199 (30%)	61 (30%)			51 (31%)
CYP2D6
Poor/intermediate metabolizer, n	462 (70%)		136 (71%)	70 (65%)	127 (78%)
Normal metabolizer, n	191 (29%)		53 (28.9%)	34 (32%)	31 (19%)
Rapid/ultrarapid metabolizer, n	10 (1%)		2 (0.1%)	3 (3%)	5 (3%)
CYP2C9
Poor/intermediate metabolizer, n	234 (35%)		70 (37%)
Normal metabolizer, n	429 (65%)		121 (63%)

Categorical data are presented as frequencies and percentages