Table 1 Patient demographics and clinical characteristics

Female, %

62

Median age, years

51.9

Patients alive at time of data abstraction, %

37

History of surgery, %

87

Histological subtype, %

  Leiomyosarcoma

48

  Synovial cell sarcoma

7

  Liposarcoma

5

  Other:

39

  Alveolar soft part sarcoma

5

  Clear cell sarcoma

4

  Dedifferentiated liposarcoma

4

  Solitary fibrous tumor

4

  Endometrial stromal sarcoma

4

  Adenosarcoma

3

  Carcinosarcoma

2

  Fibrous histiocytoma

2

  PEComa

2

  Epithelioid and round cell malignant neoplasm, desmoplastic   small round-cell sarcoma, epithelioid sarcoma, epithelioid   hemangioendothelioma, myxoid liposarcoma, rhabdomyosarcoma,   round cell sarcoma, spindle cell sarcoma, undifferentiated sarcoma,   and uterine sarcoma

1 Each

Reason for discontinuing second-line therapy, %

  Progressive disease

73

  Completed therapy course

10

  Adverse events

6

  Surgery

2

  Death

1

  Developed second primary malignancy^a

1

  Patient request

1

  Avoidance of cumulative toxicity

1

  Unclear

6