Table 1.

Baseline characteristics of soft tissue sarcoma (STS) patients in the national Danish cohort (2000–2009) and regional cohort in Western Denmark (1997–2011) by cardiac imaging availability

Characteristics	National Cohort (N=1,187)		Regional cohort by cardiac imaging availability (N=539)
			Baseline and Follow-up (N=75)		Follow-up only (N=25)		None or baseline only (N=439)
	N	%	N	%	N	%	N	%
Age at diagnosis, years
<40	226	19.0	18	24.0	8	32.0	65	14.8
40–59	379	32.0	33	44.0	11	44.0	174	39.7
60–79	461	38.9	24	32.0	6	24.0	164	37.3
≥80	121	10.2	0	0	0	0	36	8.2
Sex
Female	535	45.1	31	41.3	12	48.0	207	47.2
Male	652	54.9	44	58.7	13	52.0	232	52.8
STS subtype
Leiomyosarcoma	381	32.1	32	42.7	11	44.0	147	33.5
Liposarcoma	392	33.0	14	18.7	3	12.0	152	34.6
Synovial sarcoma	84	7.1	16	21.3	3	12.0	37	8.4
Angiosarcoma	80	6.8	5	6.7	2	8.0	22	5.0
Rhabdomyosarcoma	74	6.2	3	4.0	5	20.0	10	2.3
Other	176	14.9	4	5.3	1	4	60	13.7
Unclassified	0	0	1	1.3	0	0	11	2.5
STS stage at diagnosis
I	–	–	4	5.3	0	0	74	16.9
II	–	–	5	6.7	2	8.0	62	14.1
III	–	–	20	26.7	5	20.0	58	13.2
IV	–	–	9	12.0	3	12.0	25	5.7
Unknown	–	–	37	49.3	15	60.0	220	50.1
Treatment type
Chemotherapy	–	–	75	100	25	100	81	18.5
Radiation	–	–	49	65.3	15	60.0	160	36.4
Surgery	–	–	64	85.3	22	88.0	416	94.8
Pre-existing cardiovascular disease
–	–	31	41.3	7	28.0	182	41.5
Death after diagnosis
1-year	197	19.6	13	17.3	5	20.0	51	11.6
5-year	447	37.7	43	57.3	18	72.0	131	29.8

Abbreviations: –, not available; STS, soft tissue sarcoma.