Table 1 Baseline demographic, clinical and pathological characteristics
n (%) | |
|---|---|
Age (years) | |
Mean (SD) | 72 (13.9) |
Median (IQR) | 73 (19) |
Sex | |
Male | 37 (56.9) |
Female | 28 (43.1) |
Race | |
White | 56 (86.2) |
Other | 9 (13.8) |
Education | |
Illiterate or incomplete elementary school | 37 (56.9) |
Complete elementary school or above | 27 (41.5) |
Missing | 1 (1.6) |
Primary tumor site | |
Head and neck | 25 (38.5) |
Lower limbs | 21 (32.3) |
Upper limbs | 10 (15.4) |
Trunk | 9 (13.8) |
Clinical diameter of the primary tumor in millimeters | |
Median (IQR) | 40 (45.5) |
Disease stage | |
I–II | 31 (47.7) |
III | 13 (20.0) |
IV | 14 (21.5) |
Missing | 7 (10.8) |
Comorbidities | |
Hypertension | 33 (50.8) |
Diabetes mellitus | 15 (23.1) |
Chronic renal failure | 4 (6.2) |
HIV | 2 (3.1) |
Lymphoproliferative neoplasia | 1 (1.5) |
Initial treatment | |
Surgery | 44 (67.7) |
Chemotherapy | 8 (12.3) |
Radiotherapy | 17 (26.2) |
Immunotherapy | 0 (0) |
General histopathological aspects | |
Mitotic index—Median (IQR) | 24/10HPF (37) |
Fibroplasia present | 59 (90.8) |
Tumor thickness in millimetres—Mean (SD) | 17.9 (26.5) |
Ulceration present | 20 (30.8) |
Necrosis present | 22 (33.8) |
Hemorrhage present | 31 (47.7) |
Histological subtype | |
Nodular | 40 (61.5) |
Infiltrative | 24 (36.9) |
Missing | 1 (1.6) |