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Table 5 Five year relative survival pertaining to different treatment modalities according to the primary tumor site

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

Site Relative survival p Value
Both (%) Radiation only (%) Surgery only (%) Neither rad. nor surgery (%)
Bone (SBP)
 Axial skeleton (c41) 70.50% 61.20% 46.4% 36.90% < .05
 Appendicular skeleton (c40) 54.00% 63.6% 37.8% 32.5% .024
Extramedullary plasmacytoma(EMP)
 Upper respiratory tract[sinonasal mouth and pharynx (c00-14, c33-39)] 93.30% 73.8% 96.7% 45.1% < .05
 Lower respiratory tract (c32-39) 95.0% 42.3% 100% 33.5% .001
 Gastrointestinal Tract (c15-26) 0.00% 33.7% 71.6% 28.0% .057
 Soft tissue and connective tissue (c49) 61.3% 50.9% 43.2% 38.1% .346
 Central nervous system (c69-72) 67.8% 92.6% 52.9% 0.00% < .05
 Lymph nodes (c27) 74.8% 83.9% 63.0% 100.0% .836
 Skin (c44) 89.5% 90.6% 91.0% 100.0% .692
 All other EMP sites(c48,50,53,56,67,68,73,74) 31.1% 64.4% 62.3% 28.6% .004