Prevalence of serum monoclonal bands (M component) in patients by age and bone mineral density status
|
|
|
Prevalence of serum M component
|
Age
|
No of patients
|
No (%) of patients (n=799)
|
No (%) with normal bone mineral density or osteopenia (n=408)
|
No (%) with osteoporosis (n=366)
|
<70
|
594
|
16 (2.7)
|
7 (2.0)
|
9 (3.9)
|
70-79
|
169
|
8 (4.7)
|
1 (2.1)
|
7 (6.2)
|
 80
|
36
|
3 (8.3)
|
1 (11.1)
|
2 (8.3)
|
Total
|
799
|
27 (3.4)
|
9 (2.2)*
|
18 (4.9)
|
|
* 95% confidence interval 0.8% to 3.6%.
95% confidence interval 2.7% to 7.1%.
P<0.05 (
2 test) compared with patients with normal bone mineral density.