Table 1. Patient characteristics.

	All tumors		Epithelial-like		Mesenchymal-like		P-value
	n=129	(%)	n=61	(%)	n=68	(%)
Age	61.9	(37–83)	62.4	(42–83)	61.5	(37–82)
Sex
Female	43	33.3	21	34.4	22	32.4	0.835
Male	86	66.7	40	65.6	46	67.6
Onset of metastasis
Synchronous	76	58.9	37	60.7	39	57.4	0.703
Metachronous	53	41.1	24	39.3	29	42.6
Site of primary tumor
Right colon	28	21.7	11	18	17	25	0.119
Transverse colon	4	3.1	0	0	4	5.9
Left colon	13	10.1	7	11.5	6	8.8
Sigmoid	39	30.2	25	41	14	20.6
Rectosigmoid	4	3.1	1	1.6	2	2.9
Rectum	41	31.8	16	26.2	25	36.8
Unknown	1	0.8	1	1.6	0	0
Invasion depth
T2	9	7	6	9.8	3	4.4	0.506
T3	96	74.4	45	73.8	51	75
T4	22	17.3	10	16.4	12	17.6
Unknown	2	1.6	0	0	2	2.9
Lymph node status
N0	49	38	28	45.9	21	30.9	0.206
N1	48	37.2	21	34.4	27	39.7
N2	29	22.5	11	18	18	26.5
Unknown	3	2.3	1	1.6	2	2.9
Dukes classification
B1	5	3.9	3	4.9	2	2.9	0.733
B2	20	15.5	8	13.1	12	17.6
C1	1	0.8	0	0	1	1.5
C2	27	20.9	14	23	13	19.1
D	75	58.1	36	59	39	57.4
Unknown	1	0.8	0	0	1	1.5
Differentiation
Well	7	5.4	2	3.3	5	7.4	0.752
Well–moderate	2	1.6	1	1.6	1	1.5
Moderate	78	60.5	37	60.7	41	60.3
Moderate–poor	8	6.2	3	4.9	5	7.4
Poor	11	8.5	7	11.5	4	5.9
Unknown	23	17.9	11	18	11	16.2
Neoadjuvant radiotherapy
Yes	32	24.8	9	14.8	23	33.8	0.009
No	95	73.6	52	85.2	43	63.2
Neoadjuvant chemotherapy
Yes	13	10.1	2	3.3	11	16.2	0.013
No	114	88.4	59	96.7	55	80.9
Unknown	2	1.6	0	0	2	2.9
Adjuvant chemotherapy
Yes	45	34.9	20	32.8	25	36.8	0.506
No	81	62.8	41	67.2	40	58.8
Unknown	3	2.3	0	0	3	4.4

Patient characteristics of the classified patients. Age was compared via the Wilcoxon rank sum test, for all other variables the X²-test was used.