Table 1.

Clinical Parameters and Overall Survival- Univariable Analysis

Factor	N	2-year survival ± s.e.	Median	p1
Gender
Male	41(65%)	63% ± 8%	44
Female	24 (35%)	71% ± 10%	66	.41
Age at Diagnosis
Total	(51–90yrs.)		70yrs.
<70	31	77% ± 8%	N/A
>70	32	56% ± 9%	34	.004
Location
Head/Neck	20 (31%)	48% ± 12%	23
Extremities	29 (46%)	76% + 9%	107
Other	15 (23%)	70% + 13%	107	.09
No. Positive Sentinel Lymph Nodes
1	47	71% ± 7%	73
2	11	63% ± 18%	42
>2	4	0%	4	<.00012
Sentinel Lymph Node Pattern
1	38	61% ± 9%	35
2	4	100%	N/A
3	11	73% + 13%	N/A
4	1	100%	N/A
5	10	53% ± 20%	N/A	.28
1	38	61% ± 9%	35
2–5	26	73% + 9%	N/A	.03
Extracapsular Extension (pattern 1)
No	10	70% ± 14%	107
Yes	15	56% ± 14%	26	.27
Immunosuppressed
No	47	78% ± 7%	73
Yes	14 (23%)	40% ± 14%	19	.12

¹logrank test unless otherwise noted

²logrank test for trend

N/A Not applicable