Table 1. Characteristics of the... | American Society of Hematology

Table 1.

Characteristics of the Diagnostic Groups

Characteristic	Normal Controls	MM	MGUS	Osteoporosis
No. of subjects	64	50	40	40
Sex (male/female)	35/29	23/27	15/25	16/24
Age
Median	65.5	67	66	70
Range	39-84	28-87	40-86	51-83
Bone disease^* (n)
None	64	8	28	0
Osteoporosis	0	11	12	40
Osteolysis	0	14	0	0
Osteoporosis and osteolysis	0	17	0	0
Vertebral fractures	0	24	7	40
Plasma cell content of the bone marrow (%)^†
Median	ND	50	5	ND
Range		5-85	0-20
Serum creatinine (μmol/L)
Median	88.4	88.4	79.5	88.4
Range	61.8-150.2	36.2-344.7	61.8-132.6	44.2-150.2
Serum calcium (mmol/L)
Median	2.42	2.34	2.34	2.42
Range	2.17-2.59	1.99-3.52	1.93-2.60	2.27-2.56
Serum β₂-microglobulin (mg/L)
Median	1.50	4.25	1.95	1.60
Range	1.00-3.30	1.40-16.30	0.90-6.30	1.00-3.90

Characteristic	Normal Controls	MM	MGUS	Osteoporosis
No. of subjects	64	50	40	40
Sex (male/female)	35/29	23/27	15/25	16/24
Age
Median	65.5	67	66	70
Range	39-84	28-87	40-86	51-83
Bone disease^* (n)
None	64	8	28	0
Osteoporosis	0	11	12	40
Osteolysis	0	14	0	0
Osteoporosis and osteolysis	0	17	0	0
Vertebral fractures	0	24	7	40
Plasma cell content of the bone marrow (%)^†
Median	ND	50	5	ND
Range		5-85	0-20
Serum creatinine (μmol/L)
Median	88.4	88.4	79.5	88.4
Range	61.8-150.2	36.2-344.7	61.8-132.6	44.2-150.2
Serum calcium (mmol/L)
Median	2.42	2.34	2.34	2.42
Range	2.17-2.59	1.99-3.52	1.93-2.60	2.27-2.56
Serum β₂-microglobulin (mg/L)
Median	1.50	4.25	1.95	1.60
Range	1.00-3.30	1.40-16.30	0.90-6.30	1.00-3.90

Data refer to the evaluation of bone disease by plain radiographs.

Expressed as the percentage of nucleated cells.