Table 2.

Incidence of plasmacytomas overtime at diagnosis and at first relapse.

Plasmacytomas	Overall	Period 1	Period 2
At diagnosis	N = 1304	N = 577	N = 727
No	1048 (80.3%)	488 (84.5%)	560 (77%)
Yes	256 (19.6%)	89 (15.4%)	167 (22.9%)
• EMPs	26 (1.9%)	9 (1.5%)	17 (2.3%)
• PPs	230 (17.6%)	80 (13.8%)	150 (20.6%)
Relapsed patients (with data available)	N = 967	N = 415	N = 552
No	775 (80.1%)	330 (79.5%)	445 (79.6%)
Yes	192 (19.8%)	85 (20.4%)	107 (19.3%)
• EMPs	50 (5.1%)	19 (4.5%)	31 (5.6%)
• PPs	142 (14.6%)	66 (15.9%)	76 (13.7%)