TABLE III.

Cox Proportional Hazards Multivariable Regression of Overall Survival in Oral Cavity Mucosal Melanoma.

Covariate	Total (N = 120)	Hazard Ratio (95% CI)	p value
Age		1.03 (1.01–1.06)	0.003
Sex
Male	70	1.00 (reference)
Female	50	0.56 (0.33–0.94)	0.03
Race
White	103	1.00 (reference)
Black	11	2.63 (1.14–6.11)	0.02
Asian/Pacific Islander	6	1.55 (0.45–5.22)	0.48
T Stage
T3	70	1.00 (reference)
T4	50	0.95 (0.57–1.82)	0.95
N Stage
N0	82	1.00 (reference)
N1	38	1.94 (1.10–3.42)	0.02
M Stage
M0	115	1.00 (reference)
M1	5	10.13 (3.33–30.86)	<0.001
Treatment		—
Surgery	56	1.00 (reference)
Surgery + RT	48	1.57 (0.88–2.78)	0.12
Surgery + Chemotherapy	4	1.94 (0.54–6.94)	0.31
Surgery + Immunotherapy	5	2.24 (0.48–10.41)	0.31
Surgery + CRT	7	1.09 (0.38–3.19)	0.87
Margins
Negative	98	1.00 (reference)
Positive	22	1.07 (0.56–2.03)	0.85
Neck Dissection (LNY ≥ 18)
No	76	1.00 (reference)
Yes	44	2.23 (1.17–4.24)	0.02
Neck Dissection (LNY ≥ 1)*
No	50	1.00 (reference)
Yes	73	1.54 (0.81–2.93)	0.19

Note: Bold indicates P‐value <0.05.

CI = confidence interval; CRT = chemoradiotherapy; LNY = lymph node yield; RT = radiation therapy.

^*For regression with Neck Dissection (LNY ≥ 1), N = 123;