Table II.

Association between serum omega-3 FA levels and pathological parameters.

Parameters	No.	n-3 PUFA (%)	P-value	ALA (%)	P-value	EPA (%)	P-value	DHA (%)	P-value
Gender			0.093		0.248		0.046		0.274
Male	88	6.84±0.22		0.71±0.02		2.17±0.10		3.95±0.14
Female	24	6.02±0.43		0.66±0.04		1.74±0.19		3.62±0.26
ECOG PS			0.258		0.323		0.335		0.324
0–1	106	6.71±0.21		0.71±0.02		2.10±0.09		3.91±0.13
>2	6	5.70±0.86		0.62±0.08		1.71±0.39		3.37±0.53
BMI, kg/m2			0.639		0.285		0.288		0.886
<23	59	6.75±0.28		0.68±0.03		2.17±0.13		3.89±0.17
>23	53	6.56±0.29		0.72±0.03		1.98±0.13		3.86±0.18
Cachexia			0.345		0.159		0.649		0.325
Absent	103	6.71±0.21		0.71±0.02		2.09±0.09		3.91±0.13
Present	9	6.02±0.71		0.61±0.07		1.94±0.32		3.47±0.43
T stage			0.383		0.02		0.783		0.383
T1–2	93	6.74±0.22		0.72±0.02		2.09±0.10		3.93±0.13
T3–4	19	6.27±0.49		0.61±0.04		2.02±0.22		3.64±0.29
Tumor necrosis			0.121		0.087		0.246		0.157
Negative	74	6.88±0.25		0.72±0.02		2.16±0.11		4.00±0.15
Positive	38	6.22±0.34		0.66±0.03		1.93±0.16		3.64±0.21
Metastasis			0.074		0.798		0.222		0.047
N0M0	97	6.80±0.21		0.70±0.02		2.13±0.09		3.97±0.13
N+ and/or M+	15	5.75±0.54		0.69±0.05		1.79±0.25		3.26±0.33
Grade			0.374		0.537		0.494		0.392
G1–2	72	6.79±0.25		0.71±0.02		2.13±0.11		3.95±0.15
G3	40	6.42±0.34		0.69±0.03		1.99±0.15		3.74±0.20
Venous invasion			0.164		0.126		0.372		0.167
Negative	65	6.89±0.26		0.73±0.02		2.15±0.12		4.02±0.16
Positive	47	6.33±0.31		0.67±0.03		1.99±0.14		3.68±0.19
Histology			0.419		0.924		0.691		0.309
Clear cell	105	6.62±0.21		0.70±0.02		2.07±0.09		3.84±0.13
Others	7	7.29±0.80		0.71±0.08		2.22±0.36		4.36±0.49

Values are presented as mean ± standard error. PUFA, polyunsaturated fatty acids; ALA, α-linolenic acid; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid; ECOG PS, Eastern Cooperative Oncology Group performance status; BMI, body mass index.