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Table 1 Patient characteristics

From: Superficial and deep lymph node dissection for stage III cutaneous melanoma: clinical outcome and prognostic factors

Factor Characteristic Number (%)
Gender Male 63 (47.4)
  Female 70 (52.6)
Age (years) ≤50 64 (48.1)
  >50 69 (51.9)
Primary site Lower extremity 94 (70.7)
  Trunk 31 (23.3)
  Unknown 8 (6)
Clark level III 35 (28.7)
  IV 64 (48.1)
  V 13 (9.8)
  Unknown 10 (8.2)
  NA 11
T stage T1 9 (8.1)
  T2 25 (22.5)
  T3 36 (32.4)
  T4 41 (36.9)
  NA 22
Ulceration Yes 57 (49.6)
  No 58 (50.4)
  NA 18
Method of diagnosis Clinical disease 84 (63.1)
  Sentinel lymph node biopsy 49 (36.9)
Number of positive lymph nodes 1 (N1) 84 (64.1)
  2 or 3 (N2) 33 (25.2)
  ≥4 (N3) 14 (10.5)
  NA 2
Extent of nodal involvement Superficial 103 (77.4)
  Superficial and deep 30 (22.6)
  1. NA, not available.