Table 6.

Univariate analysis and multivariate analysis for one-year survival.

	Univariate Analysis
Variable		HR	Confidence Interval		p Value
Sex	M	1.481	0.822	2.667	0.191
Histology	Leiomyosarcoma	0.633	0.306	1.309	0.218
Age	75–80	0.641	0.322	1.280	0.208
Age	≥80	0.710	0.356	1.416	0.331
Location metastasis	Lung	0.761	0.387	1.496	0.428
Location of primary tumour	Retroperitoneum	1.687	0.852	3.341	0.134
Location of primary tumour	Other	2.086	1.017	4.275	0.045
PS at metastatic disease	≥2	2.754	1.526	4.971	<0.001
Comorbidity grade according to CIRS	3–4	1.043	0.502	2.171	0.91
Onco-MPI	High-risk	4.743	1.150	19.56	0.03
First line chemotherapy	Yes	0.193	0.106	0.354	<0.001
	Multivariate Analysis
Variable		HR	Confidence Interval		p Value
Sex	Male	1.4579	0.666	3.188	0.3450
Histology	Leiomyosarcoma	0.5210	0.211	1.287	0.1574
Age	≥80	0.3968	0.174	0.906	0.0283
Age	75–80	0.5406	0.249	1.175	0.1203
Location of metastasis	Lung	0.5860	0.268	1.280	0.1802
Location of primary tumour	Extremities/trunk	2.0642	0.952	4.478	0.0666
Location of primary tumour	Other	2.2186	0.959	5.129	0.0624
PS at metastatic disease	≥2	2.0196	0.889	4.586	0.093
Comorbidity grade according to CIRS	3–4	0.8535	0.366	1.989	0.7136
First line chemotherapy	YES	0.2405	0.113	0.512	0.0002
Onco-MPI	High-risk	5.5682	1.251	24.793	0.0242

Legend: CGA = Comprehensive geriatric assessment; CIRS = Cumulative illness rating scale ECOG = Eastern cooperative oncology group; PS = Performance status.