Table 4. Elderly women-related oxylipins.

Compound	Δ	Precursor	Pathway	Tendency	Ratio	P	Q	Effect
9-HOTrE	ω3	ALA	5-LOX	EW>EM	2.2	*	$	Unknown
				EW>YW	0.3	**	$
9-HODE	ω6	LA	5-LOX	EW>EM	2.1	**	$	Oxidative stress marker
9-KODE	ω6	LA	5-LOX	EW>EM	2.7	**	$	Oxidative stress marker
2,3-d-8-i-PGF2α	ω6	AA	-	EW>EM	2.2	**	$	Oxidative stress marker

2,3-d-8-i-PGF_2α 2,3-dinor-8-iso- PGF_2α.

Δ: the first double bond.

-: non-enzymatic.

EW: elderly women.

EM: elderly men.

Ratio represents the median ratio of elderly women to elderly men.

ALA: linolenic acid.

*p< 0.05,

**p< 0.01 by the Mann-Whitney U-test.

^$q<0.05 by Benjamini-Hochberg procedure for FDR.