Prognosis factors of advanced gastric cancer according to sex and age

Table 6 Analysis of lymph node metastasis according to sex using a logistic regression model

Characteristic	Male			Female
	P value	OR	95%CI	P value	OR	95%CI
Age
≤ 60 yr		1.000			1.000
> 60 yr	0.919	1.012	0.804-1.274	0.512	1.127	0.789-1.610
Tumour size
≤ 5 cm		1.000			1.000
> 5 cm	0.001	0.532	0.418-0.677	0.006	0.605	0.425-0.863
Lymphovascular invasion
No		1.000			1.000
Yes	0.001	0.359	0.284-0.453	0.001	0.357	0.254-0.501
Depth of invasion
Muscularis propria	0.684	0.823	0.323-2.098	0.190	0.387	0.094-1.601
Sub-serosal	0.735	0.852	0.338-2.149	0.298	0.474	0.116-1.035
Serosal exposed	0.934	1.040	0.409-2.645	0.585	0.673	0.163-2.779
Serosal invasion	0.817	1.143	0.369-3.540	1.000	1.000	0.160-6.255
Histology
Tubular adenocarcinoma (well)		1.000			1.000
Tubular adenocarcinoma (moderate)	0.044	0.489	0.244-0.980	0.853	1.157	0.247-5.405
Tubular adenocarcinoma (poor)	0.047	0.497	0.249-0.992	0.726	1.312	0.288-5.979
Signet ring cell carcinoma	0.122	0.543	0.251-1.177	0.520	1.673	0.349-8.015
Mucinous adenocarcinoma	0.048	0.411	0.170-0.992	0.945	1.065	0.178-6.387

OR: Odds ratio; CI: Confidence interval.