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Table 1 Patient characteristics according to the study population

From: Patterns of care and outcomes of patients with METAstatic soft tissue SARComa in a real-life setting: the METASARC observational study

  All patients Patients alive at 5 years Patients treated with metastatic chemotherapy
  (n = 2165) (n = 224) (n = 1575)
  n % n % n %
Sex
 Male 1055 48.73 92 41.07 754 47.87
 Female 1110 51.27 132 58.93 821 52.13
Age at first metastasis
  < 75 years old 1886 87.11 216 96.43 1429 90.73
  ≥ 75 years old 279 12.89 8 3.57 146 9.27
Histology
 Leiomyosarcoma 502 23.19 60 26.79 396 25.14
 UPS 203 9.38 9 4.02 141 8.95
 DLPS 172 7.94 12 5.36 112 7.11
 Synovial sarcoma 188 8.68 16 7.14 150 9.52
 MPNST 80 3.70 11 4.91 50 3.17
 Other 1020 47.11 116 51.79 726 46.10
Grade
 1 138 6.37 48 21.43 94 5.97
 2 590 27.25 74 33.04 440 27.94
 3 1083 50.02 63 28.13 765 48.57
 Not available 354 16.35 39 17.41 276 17.52
Number of metastatic sites
 1 1780 82.22 199 88.84 1248 79.24
  > 1 385 17.78 25 11.16 327 20.76
Metastatic sites
 Lung 1399 64.62 149 66.52 1075 68.25
 Liver 410 18.94 34 15.18 352 22.35
 Peritoneum 396 18.29 60 26.79 319 20.25
 Bone 370 17.09 29 12.95 305 19.37
 Lymph node 304 14.04 35 15.63 236 14.98
 Skin 172 7.94 25 11.16 136 8.63
 Soft tissue 173 7.99 36 16.07 135 8.57
 Pleura 163 7.53 11 4.91 140 8.89
 Brain 113 5.22 5 2.23 89 5.65
 Bone marrow 12 0.55 0 0.00 10 0.63
 Other 228 10.53 32 14.29 166 10.54
  1. UPS undifferentiated pleomorphic sarcoma, DLPS dedifferentiated liposarcoma, MPNST malignant peripheral nerve sheath tumors