Lipoprotein-associated phospholipase A2 (Lp-PLA2) activity, platelet-activating factor acetylhydrolase (PAF-AH) in leukocytes and body composition in healthy adults

Table 1 Selected biochemical and anthropometric characteristics of the subjects.

	Men(n = 52)		Women(n = 48)		P
	Mean or Median†	SD or quartiles	Mean or Median	SD or quartiles
Age (years)	43.7	13.3	42.8	12.8	0.726^a
Body mass Index (kg/m²)	27.4	3.8	25.7	5.6	0.087^a
Current smokers (%)	34.7		27.6		0.640^b
MET (minutes per week)	1043	1046	951	954	0.658^a
Lp-PLA₂ activity (nmol/min/mL)	24.8	4.5	19.6	5.0	<0.05^a
PAF-AH activity in leukocyte homogenates (pmol/min/mg)	386	127	292	92	<0.05^a
Glucose (mmol/L)	5.22	0.43	5.02	0.72	0.101^a
Triglycerides (mmol/L)	1.34	0.89–1.71	0.75	0.56–1.04	<0.05^a
Total cholesterol (mmol/L)	5.66	0.97	5.47	1.20	0.396^a
HDL-cholesterol (mmol/L)	1.10	0.20	1.28	0.31	<0.05^a
LDL-cholestrerol (mmol/L)	3.89	0.78	3.74	1.02	0.401^a
C-reactive protein (mg/dL)	0.40	0.34–0.49	0.39	0.31–0.48	0.438^a
Waist circumference (cm)	92.8	9.2	77.7	16.1	<0.05^a
Hip circumference (cm)	104.7	7.0	103.8	15.7	0.696^a
Waist- to- hip ratio	0.9	0.1	0.7	0.1	<0.05^a
Sagittal diameter (cm)	23.4	3.4	20.1	4.5	<0.05^a
Abdominal skinfold (mm)	28.3	7.2	27.4	10.0	0.612^a
% Total body fat	26.7	5.2	37.2	8.4	<0.05^a
DXA ROI fat (kg)	3.0	0.9	2.7	1.5	0.116^a
Legs fat (kg)	6.8	3.0	9.2	3.9	<0.05^a
Arms lean tissue (kg)	3.81	0.60	6.67	1.18	<0.05^a
Legs lean tissue (kg)	12.45	1.95	18.78	2.85	<0.05^a

MET: Metabolic equivalent, ROI: Region of interest, DXA: dual energy X-ray absorptiometry
† Data are presented as mean ± standard deviation for normally distributed variables. Otherwise data are presented as median ± lower (Q_0.25) and upper (Q_0.75) quartile.
^a Student t-test was used to compare means.
^b Chi-square test was used to compare percentages in the two groups.

ISSN: 1476-511X