. 2017 May 31;18(6):1171. doi: 10.3390/ijms18061171

Table 7.

Effects of age and sex on foetal polar fatty-acid composition of liver. Mean values (%) for polar lipids in the liver at Gestational Day (GD) 70 and 90 in female (F) and male (M) foetuses.

	70		90		MSE ^a	p-Value
	70		90			Same Age F vs. M		Same Sex 70 vs. 90		Age × Sex
Fatty Acids (g/100 g Total Fatty Acids)	F	M	F	M		70	90	F	M	Age × Sex
C14:0	1.73	1.66	1.89	1.8	0.033	0.45	0.524	0.168	0.084	0.088
C16:0	22.83	21.93	23.13	22.39	0.217	0.184	0.188	0.689	0.389	0.215
C16:1n-9	1.77	1.73	1.34	1.39	0.038	0.638	0.197	0.001	<0.001	<0.001
C16:1n-7	5.11	4.84	5.11	4.96	0.064	0.162	0.561	0.999	0.502	0.351
C17:0	3.09	3.05	1.72	1.75	0.100	0.764	0.797	<0.001	<0.001	<0.001
C17:1	1.7	1.7	0.86	0.83	0.064	0.988	0.435	<0.001	<0.001	<0.001
C18:0	18	18.08	19.17	19.93	0.165	0.819	0.165	0.014	<0.001	<0.001
C18:1n-9	14.09	13.7	12.08	12.18	0.274	0.583	0.963	0.021	0.032	0.016
C18:1n-7	8.03	8.19	7.28	7.13	0.204	0.784	0.727	0.176	0.077	0.158
C18:2n-6	2.38	2.15	2.82	2.68	0.055	0.033	0.549	0.005	0.001	<0.001
C18:3n-3	0.32	0.32	0.2	0.2	0.014	0.97	0.652	0.004	0.001	<0.001
C20:1n-9	0.17	0.17	0.18	0.18	0.004	0.978	0.266	0.388	0.842	0.824
C20:3n-9	0.3	0.3	0.39	0.4	0.010	0.768	0.751	0.01	<0.001	<0.001
C20:4n-6	17.07	18.57	19.88	20.36	0.300	0.076	0.231	0.004	0.009	<0.001
C20:5n-3	0.15	0.13	0.23	0.21	0.012	0.625	0.622	0.032	0.011	0.007
C22:1n-9	0.4	0.43	0.29	0.3	0.015	0.549	0.591	0.003	0.002	<0.001
C22:4n-6	0.56	0.53	0.92	0.83	0.041	0.674	0.543	0.016	0.001	0.001
C22:5n-3	1.57	1.8	1.68	1.73	0.069	0.262	0.918	0.557	0.74	0.678
C22:6n-3	0.72	0.71	0.84	0.76	0.023	0.907	0.23	0.145	0.429	0.279
SFA ¹	45.66	44.72	45.92	45.87	0.305	0.321	0.873	0.797	0.157	0.405
MUFA ²	31.27	30.76	27.13	26.97	0.461	0.64	0.822	0.002	0.002	<0.001
PUFA ³	23.07	24.51	26.95	27.16	0.376	0.148	0.576	0.001	0.003	<0.001
UI ⁴	1.21	1.27	1.32	1.33	0.012	0.108	0.462	0.007	0.047	0.002
SUMN3 ⁵	2.76	2.96	2.95	2.9	0.072	0.366	0.779	0.373	0.772	0.752
SUMN6 ⁶	20.01	21.25	23.61	23.86	0.332	0.134	0.492	0.001	0.001	<0.001
N6/N3	7.4	7.62	8.19	8.3	0.221	0.749	0.714	0.126	0.33	0.446
SUMC18:1/C18:0	1.23	1.22	1.02	0.98	0.033	0.85	0.623	0.026	0.005	0.004
MUFA/SFA	0.69	0.69	0.59	0.59	0.014	0.922	0.895	0.019	0.007	0.515

^a MSE = Mean square error. ¹ SFA = Saturated fatty acids; Includes: C14:0, C16:0, C17:0 and C18:0. ² MUFA = Monounsaturated fatty acids; Includes: C16:1n-9, C16:1n-7, C17:1. C18:1n-9, C18:1n-7 and C22:1n-9. ³ PUFA = Polyunsaturated fatty acids: Includes: C18:2n-6, C18:3n-3, C20:3n-9, C20:3n-6, C20:4n-6, C20:5n-3, C22:4n-6, C22:5n-6, C22:5n-3 and C22:6n-3. ⁴ UI = Conversion index. ⁵ Includes: C18.2n-6, C20:4n-6 and C22:4n-6. ⁶ Includes: C18:3n-3, C20:5n-3 and C22:6n-3.