Variables | Total (n) | Recurred cases n (%) | p-value* | HR (95% CI) |
---|---|---|---|---|
Total cases | 145 | 20 (13.79) | Â | Â |
Mean age, years | 73.66 | 68.7 | 0.589 | 0.990 (0.957–1.026) |
Sex, n | ||||
 Male | 70 | 4 (5.71) | 1 |  |
 Female | 75 | 16 (21.33) | 0.285 | 0.601 (0.236–1.529) |
Location, n | ||||
 Head and neck | 121 | 17 (14.05) | 1 |  |
 Trunk | 2 | 0 (0) | 0.986 | 0.000 (0.000–0.000) |
 Extremities | 2 | 0 (0) | 0.996 | 0.000 (0.000–0.000) |
 Acral | 20 | 3 (15.00) | 0.978 | 1.018 (0.293–3.533) |
Organ transplantation | ||||
 No | 135 | 17 (12.59) | 1 |  |
 Yes | 10 | 3 (30.00) | 0.699 | 1.281 (0.365–4.499) |
Tumor size (mean, cm) | ||||
  ≤ 2 cm | 92 | 10 (10.87) | 1 |  |
  > 2 cm | 53 | 10 (18.87) | 0.091 | 2.147(0.884–5.214) |
Differentiation grade | ||||
 WD | 68 | 11 (16.18) | 1 |  |
 MD | 66 | 6 (0.09) | 0.692 | 0.800 (0.266–2.407) |
  PD | 11 | 3 (27.27) | 0.058 | 3.653 (0.955–13.971) |
Invasion of subcutaneous fat | ||||
 Absent | 126 | 16 (12.70) | 1 |  |
 Present | 19 | 4 (21.05) | 0.126 | 2.407 (0.782–7.412) |