Table I.

Patient characteristics.

	CD138 high	CD138 low
Median CD138− (%) (Range)	4.7 (0.1–18.6)	30(20.6–91.8)
Median age (Range)	65 (44–85)	65(44–82)
Gender
Male	37	13
Female	31	9
Total	68	22

CD138⁻ (%), CD138 negative cells (%) in CD38⁺⁺ fraction.