Lipoprotein (a) variability is associated with mean follow-up C-reactive protein in patients with coronary artery disease following percutaneous coronary intervention

Table 2 Association of lp (a) standard deviation with average C-reactive protein level in linear regression

Parameter	Univariable analysisb		Multivariable analysis
	β coefficient (95%CI)	P value	β coefficient (95%CI)	P value
Lp (a) SD	0.020 (0.010, 0.029)	< 0.001	0.023 (0.009, 0.037)	0.001a
Average lp (a) level, mg/dL	0.002 (0.000, 0.004)	0.059	-0.002 (-0.005, 0.001)	0.183
Age in yr	0.026 (0.020, 0.031)	< 0.001	0.030 (0.025, 0.036)	< 0.001a
Male	-0.017 (-0.152, 0.119)	0.811
Diabetes	0.312 (0.173, 0.451)	< 0.001	0.201 (0.062, 0.340)	0.005a
Hypertension	0.314 (0.188, 0.440)	< 0.001	0.133 (0.003, 0.263)	0.045a
BMI, kg/m2	0.029 (0.009, 0.049)	0.004	0.028 (0.008, 0.048)	0.007a
Current smoking	0.104 (-0.034, 0.242)	0.139
Average LDL-C level, mmol/L	0.215 (0.117, 0.312)	< 0.001	0.200 (0.098, 0.301)	< 0.001a
Average WBC count, × 109/L	0.256 (0.207, 0.304)	< 0.001	0.264 (0.216, 0.312)	< 0.001a
Previous PCI	0.041 (-0.208, 0.291)	0.744
Statin	-0.662 (-1.186, 0.139)	-0.013	-0.706 (-1.229, 0.183)	-0.008a
Ezetimibe	-0.202 (-0.365, 0.039)	-0.015	-0.334 (-0.497, -0.170)	< 0.001a

^aP < 0.05.

^bPredictors with P < 0.10 in univariable linear regression analysis were entered into the subsequent multivariable linear regression analysis. BMI: Body mass index; CI: Confidence interval; CRP: C-reactive protein; LDL-C: Low-density lipoprotein cholesterol; Lp (a): Lipoprotein (a); PCI: Percutaneous coronary intervention; SD: Standard deviation; WBC: White blood cell.