Table 2. Patient clinical variables (n = 520).

	Total
	N	%
AJCC stage
In situ	26	5
I/II	401	77
III	69	13
IV	24	5
Time since diagnosis
0–12 months	143	28
>12–24 months	81	16
>24–36 months	50	10
>36–48 months	40	8
>48–60 months	44	8
>60 months	162	31
SLNB
No	361	69
Yes	159	31
Lymph node dissection
No	452	87
Yes	68	13
Surgery for metastases (not skin, not lymph nodes)
No	510	98
Yes	10	2
Radiotherapy
No	508	98
Yes	12	2
Type of systemic therapy
None	373	72
Interferon	132	25
Other1	15	3
Patient under systemic therapy
No	468	90
Yes	52	10
Multiple melanomas
No	487	94
Yes	33	6
Other nonmelanoma skin cancer
No	487	94
Yes	33	6
Other noncutaneous malignancy
No	478	92
Yes	42	8

¹Vaccination, Immuntherapy+Vaccination, Chemoimmuntherapy, Chemoimmuntherapy+Vaccination, Chemoimmuntherapy+Targeted Therapy, Interferon+Interleukin-2.