Table 1.

CYP2C9 genotype frequencies in Northern European controls.

	UK [2]n = 100	UK [10]n = 100	Sweden [3]n = 430
*1/*1	60 (0.60)	62 (0.62)	287 (0.67)
*1/*2	20 (0.20)	19 (0.19)	80 (0.19)
*1/*3	17 (0.17)	15 (0.15)	50 (0.12)
*2/*3	2 (0.02)	0	8 (0.02)
*2/*2	0	3 (0.03)	2 (0.005)
*3/*3	1 (0.01)	1 (0.01)	3 (0.01)