Exploratory serum fatty acid patterns associated with blood pressure in community-dwelling middle-aged and elderly Chinese

Table 2 Serum fatty acid profile between hypertensive and normotensive participants

FA (%)	Hypertensive (n = 748)		Normotensive (n = 1699)		P value^a
FA (%)	Mean/Median	SD/QR	Mean/Median	SD/QR	P value^a
14:0	1.61	1.40–1.80	1.56	1.29–1.74	0.033
16:0	20.62	2.60	21.05	2.57	<0.001
18:0	6.40	0.85	6.34	0.78	0.036
20:0	0.48	0.30–0.73	0.51	0.20–0.85	0.148
22:0	0.55	0.33–1.43	0.44	0.27–1.27	0.012
24:0	0.39	0.31–0.42	0.40	0.27–0.45	0.127
16:1n-7	1.69	0.82	1.52	0.78	<0.001
18:1n-9	19.98	3.75	18.95	3.75	<0.001
24:1n-9	1.20	0.92–1.34	1.18	0.82–1.22	0.121
18:3n-3	0.94	0.37	0.93	0.41	0.058
20:5n-3	3.31	1.55	3.35	1.60	0.436
22:5n-3	0.47	0.38–0.58	0.46	0.38–0.56	0.528
22:6n-3	1.65	0.51	1.74	0.69	0.005
18:2n-6	27.40	5.21	28.52	5.28	<0.001
18:3n-6	0.36	0.25–0.51	0.32	0.20–0.46	<0.001
20:3n-6	1.16	0.32	1.13	0.31	0.018
20:4n-6	6.04	1.56	6.01	1.62	0.120
20:4n-6/20:3n-6	5.20	0.87	5.66	0.96	<0.001
18:2n-6/18:3n-6 (×10⁻²)	1.34	0.84–2.05	1.13	0.73–1.77	<0.001
SFA	30.69	3.25	28.87	2.62	<0.001
MUFA	21.38	4.26	21.25	4.44	0.504
PUFA	42.25	4.43	43.66	5.41	<0.001
n-3 PUFA	6.17	5.60–7.04	6.28	5.48–7.30	0.024
n-6 PUFA	36.04	5.00	37.37	4.60	0.010
n-3/n-6	0.15	0.13–0.19	0.16	0.13–0.23	0.031
SFA/PUFA	0.81	0.63–0.92	0.68	0.60–0.82	<0.001

QR quartile range, SFA saturated fatty acid, MUFA monounsaturated fatty acid, PUFA polyunsaturated fatty acid
^a P value for difference between groups was tested by an unpaired t-test

ISSN: 1476-511X