Table 4. Summary of the additive regression model (stepwise method): predictor contribution to steady therapeutic dose of acenocumarol in 3949 anticoagulated patients.

	R2	P	ß coefficient (p)
−1639 G>A (rs9923231)	0.210	<0.001	−0.461 (<0.001)
plus Age	0.340	<0.001	−0.364 (<0.001)
plus CYP2C9	0.391	<0.001	−0.216 (<0.001)
plus D36Y	0.395	<0.001	−0.061 (<0.001)
plus R12R (rs55894764)	0.400	<0.001	0.034 (0.006)