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Table 1 patients from high volume centers (HCV) main characteristics

From: Different quality of treatment in retroperitoneal sarcomas (RPS) according to hospital-case volume and surgeon-case volume: a retrospective regional analysis in Italy

  Global HVC % HVTCA % HVCCC % HVTCA versus HVCCC
Age
 < 60 15 21.0 11 23.5 4 19.0 P = 0.81
 ≥ 60 57 79.0 36 76.5 21 81.0
Sex
 M 43 59.7 24 51.0 19 76.0 P = 0.62
 F 29 40.3 23 49.0 6 24.0
Primary/recurrent
 Primary 46 63.8 32 68.0 14 56.0 P = 0.30
 Recurrent 26 36.2 15 32.0 11 44.0
Diameter
 < 10 cm 22 30.5 15 32.0 7 28.0 P = 0.26
 ≥ 10 cm 50 69.5 32 68.0 18 72.0
Histotype
 Liposarcoma 40 55.5 24 51.0 16 64.0 P = ns
 Leiomyosarcoma 10 14.0 9 19.0 1 4.0
 Sarcoma NOS 8 11.0 1 2.0 7 28.0
 Others 14 19.5 13 28.0 1 4.0
Grading
 1 10 14.0 7 14.8 3 12.0 P = 0.9
 2 22 31.0 18 38.2 4 19.0
 3 27 37.5 14 30.0 13 52.0
 Unknown 13 17.5 8 17.0 5 17.0
Preoperative biopsy
 Yes 46 63.8 31 66.5 15 60.0 P = 0.45
 No 26 36.2 16 33.5 10 40.0
Margins
 R0 20 28.0 10 21.0 10 40.0 R0 + R1 versus R2 P = 0.013
 R1 23 32.0 13 28.0 10 40.0
 R2 18 25.0 15 32.0 3 12.0
 Unknown 11 15.0 9 19.0 2 8.0
Fragmentation
 Yes 36 50.0 30 63.8 6 24.0 P = 0.01
 No 36 50.0 17 36.2 19 76.0
  1. Statistically significant P values are in italic
  2. HVTCA high volume Tertiary Care Academic Hospital, HVCCC high volume Comprehensive Cancer Center