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Table 3 Treatment line progression, overall and by histologic categories

From: Treatment patterns and survival among older adults in the United States with advanced soft-tissue sarcomas

 

Histologic categories

All patients

Leiomyo-sarcomas

Undifferentiated pleomorphic Sarcoma

Liposarcomas

Vascular sarcomas

Fibroblastic/myofibroblastic sarcomas

Nerve sheath sarcomas

Rhabdomyo-sarcomas

Synovial sarcomas

Others/NOS

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

All patients

4274

922

652

554

357

227

106

98

49

1309

Receiving first-line systemica treatment

1227 (28.7)

341 (37.0)

158 (24.2)

140 (25.3)

130 (36.4)

58 (25.6)

24 (22.6)

28 (28.6)

21 (42.9)

327 (25.0)

Duration, mean (SD)

4.1 (4.1)

4.1 (4.2)

4.4 (5.7)

4.3 (4.7)

4.4 (3.4)

4.2 (3.8)

3.3 (2.5)

4.5 (2.9)

3.9 (3.3)

3.8 (3.2)

Median

3.0

3.1

2.6

3.0

3.5

3.6

3.1

3.7

3.0

2.8

Receiving second-line systemica treatment

476 (11.1)

148 (16.1)

64 (9.8)

45 (8.1)

60 (16.8)

19 (8.4)

15 (15.3)

109 (8.3)

Duration, mean (SD)

4.6 (5.3)

4.5 (4.0)

5.1 (8.6)

5.5 (5.4)

4.6 (5.2)

4.7 (3.6)

3.2 (2.2)

4.3 (4.7)

Median

3.0

3.3

2.9

4.0

3.4

4.8

2.6

2.9

Receiving third-line systemica treatment

189 (4.4)

66 (7.2)

24 (3.7)

15 (2.7)

21 (5.9)

46 (3.5)

Duration, mean (SD)

4.0 (3.4)

4.6 (3.6)

3.3 (3.8)

2.8 (2.2)

5.1 (3.6)

3.4 (2.8)

Median

3.0

3.7

2.3

2.1

5.1

2.6

  1. Oral chemotherapy was not covered by Medicare until 2007
  2. SD standard deviation
  3. aSystemic therapy includes chemotherapy, biologic therapy, or targeted therapy