Table 2.

Comparison of serum Cathepsin B levels (ng/mL) by groups.

		N	MEAN	SD	SE
Melanoma
Age
	<50	19	22.7	8.6	2.0
	50–59	16	23.4	15.7	3.9
	60–69	17	34.5	38.8	9.4
	≥70	15	24.4	14.6	3.8
Stage
	II	4	18.1	2.9	1.5
	III	18	23.6	11.3	2.7
	IV	45	28.0	26.5	4.0
Overall		67	26.2	22.6	2.8
Breast Cancer
Overall		24	38.6	43.5	8.9
Control
Overall		13	15.8	8.1	2.2