Table 1.
Clinical features of the 148 patients with DFSP according to sex
| Total | Female | Male | ||
|---|---|---|---|---|
| Patients, n (%) | 148 | 74 (50) | 74 (50) | |
| Ethnicity, n (%) | ||||
| Caucasian | 139 (93.92) | 69 (93.24) | 70 (94.59) | |
| African | 6 (4.05) | 2 (2.70) | 4 (5.41) | |
| South American | 3 (2.03) | 3 (4.05) | 0 (0) | |
| Age at diagnosis, mean (SD), years | 46.28 (14.431) | 45.88 (14.461) | 46.68 (14.489) | |
| Evolution at diagnosis, median (IQR), months | 36 (72) | 48 (63) | 36 (57) | |
| Diameter median (IQR), cm | 3 (3) | 2.75 (3.43) | 3.3 (2.5) | p = 0.029 |
| Site (148 tumours), n (%) | ||||
| Head and neck | 15 (10.14) | 5 (6.76) | 10 (13.51) | |
| Chest | 31 (20.95) | 18 (24.32) | 13 (17.57) | |
| Abdomen | 16 (10.81) | 8 (10.81) | 8 (10.81) | |
| Upper back | 43 (29.05) | 20 (27.03) | 23 (31.08) | |
| Lower back | 10 (6.76) | 6 (8.11) | 4 (5.41) | |
| Upper extremities | 10 (6.76) | 4 (5.41) | 6 (8.11) | |
| Lower extremities | 23 (15.54) | 13 (17.57) | 10 (13.51) | |
| Distal extremities (forearm 1, foot 5), n (%) | 6 (4.05) | 3 (4.05) | 3 (4.05) | |
| Previous scar, n (%) | 6 (4.05) | 1 (1.35) | 5 (6.76) | |
| Pigmented (Bednar tumour), n (%) | 3 (2.03) | 2 (2.70) | 1 (1.35) | |
| Fibrosarcomatous, n (%) | 16 (10.81) | 6 (8.11) | 10 (13.51) | |
| Recurrence, n (%) | 17 (11.49) | 8 (10.81) | 9 (12.16) | |