Table 3.

Effect of paraoxonase L55M polymorphism on paraoxonase activity and HDLc concentration according to smoking status

Parameter	PON1 L55M genotype	Smokers	Nonsmokers	pd
PON1 activity (IU/L)	LL	114 ± 111a	175 ± 138	0.03
	LM	93 ± 101b	147 ± 128	0.01
	MM	64 ± 95a,b	95 ± 76	0.04
pc		0.01	0.09
HDLc (mmol/L)	LL	0.95 ± 0.23	1.07 ± 0.27	0.004
	LM	0.94 ± 0.22	1.1 ± 0.29	0.003
	MM	0.93 ± 0.34	0.95 ± 0.18	0.03
pc		0.15	0.18

^aPON1 activity: LL versus MM, p = 0.005

^bPON1 activity: LM versus MM, p = 0.02

^cANOVA test

^dStudent’s t test