Table 3.

Unadjusted 5- and 10-year Survival Rates of First Primary Melanoma Cases in the 1973–2004 SEER Registries, by Race and Stratified by Receipt of Surgical Treatment and by Surgery Type

Overall survival
	Whites		Blacks		Other race		Overall P valuea	Whites v. Blacks P valuea	Whites v. Other race P valuea	Blacks v. Other race P valuea
	5-year rate	10-year rate	5-year rate	10-year rate	5-year rate	10-year rate
Receipt of surgery
Any surgery	84.2%	74.3%	66.8%	55.4%	81.1%	71.0%	<0.0001	<0.0001	0.0537	<0.0001
No surgery	55.8%	49.8%	46.3%	41.2%	48.5%	32.3%	0.1405	0.1203	0.2100	0.7272
b Log-rank test P value	<0.0001		<0.0001		<0.0001
Type of surgery
Biopsy	86.7%	76.4%	72.2%	68.8%	82.6%	75.2%	0.0014	0.0005	0.3018	0.0861
Wide excision	87.1%	78.3%	75.9%	58.2%	87.4%	78.1%	0.0001	<0.0001	0.9453	<0.0001
Amputation	48.4%	34.4%	36.9%	24.6%	36.9%	19.7%	0.0574	0.1518	0.1248	0.5434
Surgery NOS	69.7%	59.1%	45.1%	36.6%	60.0%	47.2%	<0.0001	<0.0001	0.1488	0.0022
b Log-rank test P value	<0.0001		<0.0001		<.0001

Melanoma-specific survival
	Whites		Blacks		Other races		Overall P valuea	Whites v. Blacks P valuea	Whites v. Other race P valuea	Blacks v. Other race P valuea
	5-year rate	10-year rate	5-year rate	10-year rate	5-year rate	10-year rate
Receipt of surgery
Any surgery	91.5%	87.9%	77.6%	73.0%	89.5%	85.3%	<0.0001	<0.0001	0.0130	<0.0001
No surgery	68.4%	66.5%	69.8%	69.8%	58.5%	58.5%	0.2595	0.9169	0.1013	0.2968
b Log-rank test P value	<0.0001		<0.0001		<0.0001
Type of surgery
Biopsy	95.6%	93.8%	87.6%	87.6%	95.0%	94.4%	0.0007	0.0001	0.8641	0.0092
Wide excision	93.6%	90.5%	84.9%	79.8%	92.4%	88.0%	<0.0001	<0.0001	0.2814	0.0019
Amputation	60.8%	53.0%	43.4%	36.2%	54.6%	36.4%	0.0980	0.1203	0.1099	0.6762
Surgery NOS	76.7%	70.7%	53.8%	47.5%	71.1%	63.0%	<0.0001	<0.0001	0.0579	0.0111
b Log-rank test P value	<0.0001		<0.0001		<0.0001

^aAll P-values are corrected for multiple comparisons.

^bLog-rank test compares type of surgery within each race group, for both 5-year and 10-year rates