Platelet-Derived Growth Factors in Non-GIST Soft-Tissue Sarcomas Identify a Subgroup of Patients with Wide Resection Margins and Poor Disease-Specific Survival
Table 1
Prognostic clinicopathological variables as predictors for disease-specific survival in 249 nongastrointestinal stromal tumor soft-tissue sarcomas (univariate analyses; log-rank test).
Characteristics
Patients ()
Patients (%)
Median survival (months)
5-Year survival (%)
Age
ā ā¤20 years
20
8
15
40
.126
ā21ā60 years
113
45
68
52
ā>60 years
116
47
30
40
Gender
āMale
110
44
41
46
.390
āFemale
139
56
45
45
Patient nationality
āNorwegian
167
67
63
51
.011
āRussian
82
33
22
34
Histological entity
āPleomorphic sarcoma
58
23
54
47
.001
āLeiomyosarcoma
64
26
48
48
āLiposarcoma
34
14
NR
67
āFibrosarcoma
20
8
44
50
āAngiosarcoma
13
5
10
31
āRhabdomyosarcoma
16
6
17
38
āMPNST
11
4
49
45
āSynovial sarcoma
16
6
31
29
āSarcoma NOS
17
7
9
18
Tumor localization
āExtremities
89
36
100
53
.348
āTrunk
47
29
32
44
āRetroperitoneum
37
25
25
38
āHead/neck
18
7
15
41
āVisceral
58
23
30
42
Tumor size
āā¤5 cm
74
30
127
57
.027
ā5ā10ācm
91
37
44
45
>10ācm
81
32
28
37
āMissing
3
1
Malignancy grade
ā1
61
25
NR
74
<.001
ā2
98
39
41
45
ā3
90
36
16
26
Tumor depth
āSuperficial
17
7
NR
93
<.001
āDeep
232
93
36
42
Metastasis at diagnosis
āNo
206
83
76
53
<.001
āYes
43
17
10
10
Surgery
āYes
228
91
59
50
<.001
āNo
21
9
4
0
Resection margins
āWide
108
43
NR
62
<.001
āNonwide/no surgery
141
57
21
33
Chemotherapy
āNo
191
77
52
47
.424
āYes
58
23
29
40
Radiotherapy
āNo
176
71
48
46
.590
āYes
73
29
38
43
Abbreviations: NR: not reached; MPNST: malignant peripheral nerve sheath tumor; NOS: not otherwise specified.