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Table 1 Baseline of extremity liposarcoma patients

From: Nomogram for predicting the overall survival and cancer-specific survival of patients with extremity liposarcoma: a population-based study

  Training cohort Validation cohort
Age, year 55.53 ± 16.47 55.21 ± 16.53
Tumor size, cm 13.75 ± 8.48 13.53 ± 8.19
Race
 Black 165 76
 Other 131 51
 White 1226 521
Sex
 Female 646 284
 Male 876 364
Histological type
 Liposarcoma, NOS 181 73
 Liposarcoma, well differentiated 538 230
 Myxoid liposarcoma 443 198
 Round cell liposarcoma 46 24
 Pleomorphic liposarcoma 131 60
 Mixed liposarcoma 62 27
 Fibroblastic liposarcoma 2 2
 Dedifferentiated liposarcoma 119 34
AJCC
 I/II 1229 541
 III/IV 293 107
T
 T1 213 101
 T2 1309 547
N
 N0 1516 645
 N1 6 3
M
 M0 1498 628
 M1 24 20
 Surgery performed 1494 635
 Radiotherapy performed 714 294
 Chemotherapy performed 165 65
Primary site
 Lower extremity 1333 557
 Upper extremity 189 91
Grade
 I 829 358
 II 286 135
 III 196 75
 IV 211 80