Table 1. Clinical and demographic characteristics of 137 patients undergo liver resection at the university hospital Wuerzburg according to additional pulmonary metastases.

Characteristic		Liver and lung metastases (n = 53)		Only liver metastases (n = 84)		p-value
		No.	%	No.	%
Sex	Male	33	62.3	63	75.0	0.113
	Female	20	37.7	21	25.0
Age	Mean (SD)	62.59 (10.01)		64.99 (11.62)		0.216
	Range	38.03–76.09		27.67–84.54
BMI in kg/m2 (SD)		26.57 (SD 4.31)		26.80 (SD 4.19)		0.761
Primary tumor location	Colon	32	60.4	60	71.4	0.180
	Rectum	21	39.6	24	28.6
Primary UICC-Stage	I	1	1.9	1	1.2	0.871
	II	9	17.0	17	20.5
	III	17	32.1	22	26.5
	IV	26	49.1	43	51.8
	unknown	-	-	1
primary T-Stage	pT0	0	0.0	1	1.2	0.695
	pT1	2	3.8	2	2.4
	pT2	5	9.4	8	9.6
	pT3	35	66.0	61	73.5
	pT4	11	20.8	11	13.3
	unknown	-	-	1	-
Primary N-Stage	pN0	18	34.0	31	37.3	0.922
	pN1	17	32.1	25	30.1
	pN2	18	34.0	27	32.5
	unknown	-	-	1	-
Primary Grading	1	3	6.1	0	0.0	0.119
	2	37	75.5	67	82.7
	2–3	0	0.0	1	1.2
	3	9	18.4	13	16.0
	unknown	4	-	3	-
Primary L-STAGE	0	26	63.4	26	45.6	0.082
	1	15	36.6	31	54.4
	unknown	12	-	27	-
Primary V-STAGE	0	35	85.4	37	66.1	0.039
	1	6	14.6	13	23.2
	2	0	0.0	6	10.7
	unknown	12	-	28	-
KARNOFSKY-INDEX	70	0	0.0	1	3.6	0.443
	80	3	15.8	3	10.7
	90	4	21.1	11	39.3
	100	12	63.2	13	46.4
	unknown	34	-	56	-
Type of liver metastasis	Synchronous	25	47.2	47	56.6	0.281
	Metachronous	28	52.8	36	43.4