Patients

Group (% plasma cells)	No (total = 33)	Median age** (range to-from)	sex
0–10	9	62 (44–72)	5m, 4f
10–30	12*	64,5 (50–84)	6m, 6f
>30	12*	72 (53–86)	6m, 6f

^*One patient with moderately elevated CRP values of >5 g/L; but without indication of bacterial or viral infection.

^**Age at sampling.