Peroxisome proliferator-activated receptor-γ is essential in the pathogenesis of gastric carcinoma

Table 1 Correlation of of PPARγ protein expression in gastric carcinoma with clinicopathological features

Clinicopathological features	n	PPARγ protein		χ2	P
		+	-
Histologic subtype	138			24.663	0.000
Intestinal type	63	60	3
Diffuse type	75	44	31
Depth of invasion	138			1.183	0.277
Serosal	24	16	8
Out of serosa	114	88	26
Vessel invasion	138			0.065	0.799
Absent	120	90	30
Present	18	14	4
Lymph node metastasis	138			0.309	0.578
Absent	36	28	8
Present	102	76	28
Distant metastasis	138			0.535	0.464
Absent	126	96	30
Present	12	8	4
Clinical stage1	126			0.017	0.897
I-II	39	30	9
III-IV	87	61	26

¹Because clinical staging could not be performed because of the lack of accurate records about lymph nodes, data of 12 cases were not included in the statistical analysis.