Table 1.
Characteristics of the patients, given as mean ± standard deviation or no, (%) (N = 117).
| Prognostic factor | Number (%) |
|---|---|
| Sex, male (%) | 74 (63) |
| Age (year) | 74.4 ± 12.7 |
| Patient delay in hospital visit (year) | 2.97 ± 4.1 |
| Tumour size (mm) | 28.3 ± 28.7 |
| Lymph node metastasis | 12 (10.3) |
| TNM stage (1) | |
| Stage I | 56 (47.9) |
| Stage II | 38 (32.5) |
| Stage III | 17 (14.5) |
| Stage IV | 6 (5.1) |
| Radiation related | 3 (2.6) |
| Rapid growth | 7 (6.0) |
| Perineural invasion | 3 (2.6) |
| Lymphovascular invasion | 3 (2.6) |
| Degree of differentiation | |
| Well | 67 (57.3) |
| Moderate | 27 (23.1) |
| Poor | 7 (6.0) |
| Tumour site | |
| Temporal head | 8 (6.8) |
| Frontal head | 4 (3.4) |
| Eye lid | 1 (0.9) |
| Cheek | 24 (20.5) |
| Ear | 10 (8.5) |
| Nose | 4 (3.4) |
| Lip | 5 (4.3) |
| Upper extremities | 5 (4.3) |
| Finger | 8 (6.8) |
| Hand | 8 (6.8) |
| Trunk | 6 (5.1) |
| Lower extremities | 19 (16.2) |
| Planter of the foot | 3 (2.6) |
| Dorsum of the foot | 3 (2.6) |
| Heel | 2 (1.7) |
| Digit of the foot | 7 (6.0) |
| Preceding lesion | |
| Actinic keratosis | 29 (24.8) |
| Basal cell carcinoma | 1 (0.9) |
| Bowen disease | 17 (14.5) |
| Burn | 3 (2.6) |
| Epidermal cyst | 1 (0.9) |
| Keratoacanthoma | 6 (5.1) |
| Pustulosis palmaris and plantaris | 1 (0.9) |
| Radiation keratosis | 1 (0.9) |
| Scar | 4 (3.4) |
| Other squamous cell carcinoma | 1 (0.9) |
| Trichilemmal cyst | 1 (0.9) |
| Ulcer | 10 (8.5) |
| Unknown | 42 (35.9) |
Note: (1)Stage was described using UICC (7th edition, 2009) [1].