Table 1.

Clinicopathological characteristics of sarcoma patients from TCGA database.

		Total (N = 261)		Training dataset (N = 157)		Validation dataset (N = 104)
Characteristics	Groups	No.	%	No.	%	No.	%
Gender	Male	119	45.60	70	44.59	49	47.12
	Female	142	54.41	87	55.41	55	52.88
Age at diagnosis	Median	61		61		60
	Range	20–90	20–90	24–90
	>55	173	66.28	104	66.24	69	65.71
	≤55	88	33.72	53	33.76	36	34.29
Subtypes	Dedifferentiated liposarcoma	59	22.61	38	24.20	21	20.19
	Leiomyosarcoma	105	40.23	68	43.31	37	35.58
	Myxofibrosarcoma	25	9.58	15	9.55	10	9.62
	UPS	21	8.05	10	6.37	11	10.58
	MFH	29	11.11	15	9.55	14	13.46
	Giant cell MFH	1	0.38	0	0	1	0.96
	Synovial sarcoma	10	3.83	6	3.82	4	3.85
	MPNST	9	3.45	5	3.18	4	3.85
	Desmoid tumor	2	0.77	0	0	2	1.92
Anatomic location∗	Upper extremity	12	4.62	7	4.49	5	4.81
	Lower extremity	73	28.08	41	26.28	32	30.77
	Upper abdomen	99	38.08	59	37.82	40	38.46
	Lower abdomen	16	6.15	8	5.13	8	7.69
	Chest	13	5.00	8	5.13	5	4.81
	Head and neck	5	1.92	4	2.56	1	0.96
	Ovary	1	0.38	1	0.64	0	0
	Uterus	29	11.15	19	12.18	10	9.62
	Superficial trunk	12	4.62	9	5.77	3	2.88
Tumor residual∗	RX	26	10.00	17	10.90	9	8.65
	R0	155	59.62	89	57.05	66	63.46
	R1	70	26.92	44	28.21	26	25.00
	R2	9	3.46	6	3.85	3	2.88
Vital status	Alive	185	70.88	110	70.06	75	72.12
	Dead	76	29.12	47	29.94	29	27.88