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Table 7 Multivariate analysis of 5 year survival of the patients diagnosed with plasmacytoma who progressed to myeloma & those with initial diagnosis of Myeloma

From: Solitary plasmacytoma: population-based analysis of survival trends and effect of various treatment modalities in the USA

Characteristics Plasmacytoma Myeloma P value
% 95% CI % 95% CI
Age >40 54.3% 24.9 – 76.5 31.2% 24.8 – 37.7 0.06
40-49 34% 19.6 – 48.9 23% 20.5 – 25.6 0.12
50-59 24.6% 16.5 – 33.5 23.5% 21.9 – 25.1 0.27
≥60 15.1% 11.4 – 19.3 16.6% 14.8 – 18.4 0.031
Sex Male 22.2% 17.3 – 27.4 18% 17.2 – 18.9 0.009
Female 15.9% 11.2 – 21.2 16.9% 16 – 17.8 0.102
Race White 18.4% 14.6 – 22.4 17.5% 16.8 – 18.3 0.018
Black 23% 14.1 – 33.3 17.6% 16.2 – 19.2 0.085
Others 27.1% 9.7 – 48.2 15.4% 14 – 19 0.104
Exposure To Radiotherapy Without Radiation 13.6% 8.5 – 19.9 18% 17.3 – 18.8 0.062
With Radiation 21.8% 17.5 – 26.5 15.9% 14.7 – 17.1 <0.05
Radiation Sequence Adjuvant 22.4% 14.1 – 31.9 18.8% 12.4 – 26.3 0.096
Neoadjuvant 100% N/a 0% N/a N/a
Neoadjuvant and adjuvant 0% N/a 0% N/a N/a
Surgical Intervention No 18.5% 14.5 – 22.8 17.5% 16.8 – 18.1 0.080
Yes 22.1% 15.4 – 29.7 19.6% 12.7 – 27.7 0.119
  1. N/a Not applicable