Table III.

Univariate and multivariate logistic regression analyses.

	Univariate analysis		Multivariate analysis
Independent variable	OR (95% CI)	P-value	OR (95% CI)	P-value
Adenocarcinoma diffuse type	3.11 (1.3–7.42)	<0.050	2.92 (1.08–7.9)	<0.050
Site of previous gastric surgery	4.52 (0.9–22.72)	0.067	4.87 (0.69–34.57)	0.113
Tumour extent >T2	4.17 (1.39–12.56)	<0.050	2.59 (0.79–8.46)	0.116
Nodal status >N0	3.94 (1.15–13.57)	<0.050	–	–
Tumour grading G3	7.37 (1.7–32)	<0.050	–	–
Lymphatic and vascular invasion	28.64 (8.24–99.58)	<0.050	22.65 (6.4–80.22)	<0.050

P-value refers to logistic regression analysis. The dependent variable was the presence of microscopic PC. OR, odds ratio; CI, confidence interval.