Table 2.

Genotype by site

	Marshfield, %	University of Florida, %	Washington University in St Louis, %
CYP2C9
*1/*1	64.69	71.19	64.31
*1/*2	18.98	15.93	20.07
*1/*3	12.45	8.81	11.52
*2/*2	1.43	3.39	1.49
*2/*3	2.04	0.68	1.86
*3/*3	0.41	0.00	0.74
VKORC1
GG	38.78	36.99	37.92
GC	48.37	48.63	47.21
CC	12.86	14.38	14.87
rs2108622
CC	49.59	47.80	52.42
CT	42.04	44.75	40.15
TT	8.37	7.46	7.43