Table 1

Patient and tumour characteristics

Item	Overall	Recurrence	Metastasis	Melanoma-related death	Exenterations
Item	Cases (%)	Cases (%)	Cases (%)	Cases (%)	Cases (%)
Overall	70 (100)	20 (29)	9 (13)	9 (13)	11 (16)
Sex		P=1.00	P=0.48 *	P=1.00 *	P=0.32
Male	35 (50)	10 (29)	6 (17)	5 (14)	7 (20)
Female	35 (50)	10 (29)	3 (9)	4 (11)	4 (11)
Age at diagnosis (years)		P=0.29	P=0.15 *	P=0.15 *	P=0.32
<60	35 (50)	8 (23)	2 (6)	2 (6)	4 (11)
≥60	35 (50)	12 (34)	7 (20)	7 (20)	7 (20)
Side		P=0.76	P=1.00 *	P=0.73 *	P=0.59
Left (OS)	33 (47)	10 (30)	4 (12)	5 (15)	6 (18)
Right (OD)	37 (53)	10 (27)	5 (14)	4 (11)	5 (14)
Location		P=0.53 *	P=0.42 *	P=0.20 *	P<0.001
Epibulbar	54 (77)	17 (32)	6 (11)	5 (9)	3 (6)
Non-epibulbar	16 (23)	3 (19)	3 (19)	4 (25)	8 (50)
cTNM		P=0.53 *	P=0.42 *	P=0.20 *	P<0.001
T1	54 (77)	17 (32)	6 (11)	5 (9)	3 (6)
T2	16 (23)	3 (19)	3 (19)	4 (25)	8 (50)
PAM		P=0.31 *	P=0.51 *	P=0.51 *	P=1.00 *
Present	65 (93)	20 (31)	8 (12)	8 (12)	11 (17)
Absent	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
Unknown	5 (7)	0 (0)	1 (20)	1 (20)	0 (0)
Initial treatment		P=0.03	P=1.00 *	P=0.71 *	P=0.15 *
Our institution	48 (69)	10 (21)	6 (13)	7 (15)	10 (21)
Elsewhere	22 (31)	10 (46)	3 (14)	2 (9)	1 (5)
Period		P=0.36 *	P=0.44 *	P=0.10 *	P=0.12 *
2001 to August/2012	53 (76)	17 (32)	8 (15)	9 (17)	6 (11)
September/2012–2014	17 (24)	3 (18)	1 (6)	0 (0)	5 (29)
Thickness (mm)		P=0.41	P=1.00 *	P=0.67 *	P=0.004 *
<2	36 (51)	10 (28)	4 (11)	4 (11)	2 (6)
≥2	18 (26)	7 (39)	2 (11)	3 (17)	7 (39)

P values are calculated with Pearson’s χ² tests, unless indicated with * for Fisher’s exact tests.
cTNM, clinical tumour, node, metastases stage; PAM, primary acquired melanosis.