Table 2. Associations between KIT Mutations and Various Clinicopathological Features/Races of Melanomas.

Clinicopathologic characteristics	OR	95% CI	p value	Association with KIT mutation
Age (≥60 yr)
Asian	1.349	1.056–1.723	0.017	Positive
White	0.795	0.337–1.879	0.602	None
Overall	1.296	1.025–1.641	0.031	Positive
Sex
Asian	1.134	0.910–1.412	0.264	None
White	0.860	0.426–1.735	0.674	None
Overall	1.106	0.897–1.364	0.347	None
Mucosal melanoma
Asian	1.080	0.842–1.386	0.545	None
White	3.003	1.895–4.758	<0.001	Positive
Overall	1.363	1.094–1.697	0.006	Positive
Acral melanoma
Asian	1.361	1.087–1.702	0.007	Positive
White	1.435	0.901–2.286	0.128	None
Overall	1.374	1.123–1.682	0.002	Positive
Cutaneous melanoma with NCSD
Asian	0.613	0.424–0.886	0.009	Negative
White	0.094	0.018–0.500	0.006	Negative
Overall	0.562	0.392–0.805	0.002	Negative
Cutaneous melanoma with CSD
Asian	1.643	0.962–2.806	0.069	None
White	7.791	1.370–44.291	0.021	Positive
Overall	1.880	1.127–3.136	0.016	Positive
Melanoma on the extremities	0.294	0.105–0.820	0.019	Negative
Breslow thickness
>1 mm	0.910	0.586–1.413	0.674	None
>4 mm	1.177	0.928–1.492	0.179	None
Ulceration	0.968	0.772–1.215	0.781	None

CSD, chronically sun-damaged; NCSD, non-CSD; OR, odds ratio; CI, confidence interval.