Table 4.

Multiple regression models

aModel 1. Fertilization rate
	β	SE	β′	t	P
Constant	113	13.3		8.49	0.000
Age	− 1.081	0.376	− 0.342	− 2.87	0.006
14:1n-5	− 188	85	− 0.262	− 2.20	0.032
bModel 2. Number of total embryos
	β	SE	β′	t	P
Constant	21.2	2.5		8.48	0.000
Age	− 0.274	0.086	− 0.410	− 3.17	0.002
n-3 PUFA	− 1.004	0.450	− 0.288	− 2.22	0.030
cModel 3. Number of top-quality embryos
	β	SE	β′	t	P
Constant	8.6	1.7		4.99	0.000
Age	− 0.115	0.039	− 0.361	− 2.97	0.004
20:0	− 8.6	4.2	− 0.249	− 2.04	0.045
dModel 4. Antral follicular count
	β	SE	β′	t	P
Constant	66.1	10.1		6.49	0.000
Age	− 0.600	0.127	− 0.489	− 4.73	0.000
16:0	− 1.249	0.417	− 0.309	− 2.99	0.004
eModel 5. Serum estradiol
	β	SE	β′	t	P
Constant	− 1635	946		− 1.72	0.090
18:3n-3	6769	2196	0.329	3.08	0.003
20:2n-6	7825	2471	0.329	3.16	0.002
18:1n-9trans	3359	1185	0.870	2.83	0.006
18:2n-6trans	− 11,395	5492	− 0.635	− 2.07	0.043

β regression coefficient, β′ standardized regression coefficient

^aIndependent variables included in the model: age, 23:0, 14:1n-5, 22:6n-3, n-3 PUFA, n-6/n-3, chain length, and peroxidizability index. Adjusted R² = 0.168; standard error of the estimate = 18.563

^bIndependent variables included in the model: age, 22:6n-3, n-3 PUFA, n-6/n-3, double bond index, chain length, and peroxidizability index. Adjusted R² = 0.366; standard error of the estimate = 3.365

^cIndependent variables included in the model: age, 20:0, 23:0, 16:1n-7cis, 18:1n-9trans, 18:1n-9cis, 20:1n-9, MUFA, 20:2n-6, 22:6n-3, n-3 PUFA, n-6/n-3, double bond index, and peroxidizability index. Adjusted R² = 0.206; standard error of the estimate = 1.790

^dIndependent variables included in the model: age, 16:0, 21:0, SAT, 18:1n-9trans, 18:1n-9cis, 20:1n-9, MUFA, 18:2n-6trans,20:2n-6, 22:6n-3, n-3 PUFA, n-6/n-3, and peroxidizability index. Adjusted R² = 0.348; standard error of the estimate = 6.392

^eIndependent variables included in the model: 16:0, 18:0, SAT, 16:1n-7cis, 18:1n-9trans, 20:1n-9, 18:2n-6trans, 20:2n-6, 20:4n-6, and 18:3n-3. Adjusted R² = 0.364; standard error of the estimate = 1054