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Table 1 Patients’ characteristics (n = 184)

From: Role of postoperative radiotherapy in dermatofibrosarcoma protuberans: a propensity score-matched analysis

Characteristic n (%)
Presentation
 Primary 122 (66.3)
 Recurrent 62 (33.7)
Gender
 Male 140 (76.1)
 Female 44 (23.9)
Age(years)
  <  50 129 (70.1)
  ≥ 50 55 (29.9)
Site
 Trunk 132 (71.7)
 Extremities 20 (10.9)
 Head and neck 32 (17.4)
Tumor size, cm
  <  5 133 (72.3)
  ≥ 5 51 (27.7)
Lesion number
 1 171 (92.9)
  ≥ 2 13 (7.1)
Margin status
 Negative 170 (92.4)
 Positive 14 (7.6)
Margin width, cm
  <  2 47 (25.5)
  ≥ 2 137 (74.5)
Radiotherapy
 No 140 (76.1)
 Yes 44 (23.9)
Histological subtype
 Ordinary 161 (87.5)
 Fibrosarcoma 16 (8.7)
 Myxoid 7 (3.8)
Ki-67 (%)
  < 17 37 (66.1)
  ≥ 17 19 (33.9)