Characteristics of subjects with melanoma who were identified in the three administrative healthcare databases
| Characteristics | Unit 1 (Umbria) | Unit 2 (ASL Napoli 3 Sud) | Unit 3 (Friuli Venezia Giulia) |
| Incident cases (N medical chart reviewed) | 112 | 116 | 130 |
| International Classification of Diseases, Ninth Revision code, n (%) | |||
| 172.0 Malignant melanoma of skin of lip | – | – | 1 (1) |
| 172.1 Malignant melanoma of skin of eyelid, including canthus | 1 (1) | – | 2 (2) |
| 172.2 Malignant melanoma of skin of ear and external auditory canal | 4 (4) | 2 (2) | 3 (2) |
| 172.3 Malignant melanoma of skin of other and unspecified parts of face | 9 (8) | 8 (7) | 13 (10) |
| 172.4 Malignant melanoma of skin of scalp and neck | 5 (4) | 2 (2) | 9 (7) |
| 172.5 Malignant melanoma of skin of trunk, except scrotum | 34 (30) | 39 (34) | 49 (38) |
| 172.6 Malignant melanoma of skin of upper limb, including shoulder | 19 (17) | 11 (10) | 15 (12) |
| 172.7 Malignant melanoma of skin of lower limb, including hip | 22 (19) | 30 (26) | 27 (21) |
| 172.8 Malignant melanoma of other specified sites of skin | 4 (4) | 5 (4) | 8 (6) |
| 172.9 Melanoma of skin, site unspecified | 14 (13) | 19 (16) | 3 (2) |
| Admission to department, N (%) | |||
| Medical | 28 (25) | 21 (18) | 18 (14) |
| Surgical | 84 (75) | 95 (82) | 112 (86) |
| Sex, n (%) | |||
| Male | 64 (57) | 52 (45) | 69 (53) |
| Age, n (%) | |||
| <40 | 11 (10) | 10 (9) | 13 (10) |
| 40–59 | 43 (38) | 46 (39) | 56 (43) |
| ≥60 | 58 (52) | 60 (52) | 61 (47) |
| Clinical examination, n (%) | |||
| Detailed clinical description of the skin lesion | 93 (83) | 61 (53) | 59 (45) |
| Instrumental diagnosis, n (%) | |||
| Ultrasound | 14 (13) | 30 (26) | 22 (17) |
| CT scan | 57 (51) | 25 (22) | 14 (11) |
| PET/CT | 3 (3) | 3 (3) | 3 (2) |
| Brain CT scan or MRI | 4 (4) | 5 (4) | – |
| Lymphoscintigraphy | 62 (55) | 33 (28) | 64 (49) |
| None instrumental examinations | 48 (43) | 43 (37) | 58 (45) |
| Surgical procedures, n (%) | |||
| Excisional biopsy, wide excision, sentinel lymph node biopsy and lymphadenectomy | 94 (84) | 92 (79) | 119 (92) |
| Histological documentation, n (%) | |||
| Diagnostic biopsy | 77 (69) | 33 (28) | 55 (42) |
| Excision biopsy | 80 (71) | 94 (81) | 118 (91) |
| Both diagnostic and excision biopsies | 56 (50) | 28 (24) | 52 (40) |