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Table 2 Distribution of patient, tumor and treatment characteristics by receiving RT or not

From: The efficacy of postoperative radiotherapy in localized primary soft tissue sarcoma treated with conservative surgery

  RT No RT  
Characteristic No. % No. % P Value*
Age (years)      0.786
 ≤50 41 50.6 73 52.5
 >50 40 49.4 66 45.5
Gender      0.967
 Male 49 60.5 83 59.7
 Female 32 39.5 56 40.3
Location
 Extremity 53 65.4 57 41.0 0.001
 Trunk 15 18.5 37 26.6 0.191
 Head/neck 11 13.6 2 1.4 <0.001
 Retroperitoneum 2 2.5 43 30.9 <0.001
Histology
 Rhabdomyosarcoma 12 14.8 15 10.8 0.400
 Fibrosarcoma 8 9.9 15 10.8 0.831
 MFH 28 34.6 26 18.7 0.010
 Liposarcoma 22 27.2 68 48.9 0.002
 Others 11 13.6 15 10.8 0.525
Tumor size (cm)      0.773
 ≤5 30 37.0 50 36.0  
 >5 51 63.0 89 64.0  
Grade
 I 4 4.9 27 19.4 0.002
 II 21 25.9 37 26.6 1.000
 III 56 69.1 75 54.0 0.033
Margin status      0.029
 Negative 66 81.5 128 92.1
 Positive 15 18.5 11 7.9  
Lymph node status      0.177
 Negative 75 92.6 135 97.1  
 Positive 6 7.4 4 2.9  
Chemotherapy      0.019
 No 59 72.5 120 86.3  
 Yes 22 27.2 19 13.7  
  1. Abbreviation: RT radiotherapy
  2. *Determined by chi-square test