Table 4.

Univariate analysis for overall survival in patients with solitary plasmacytoma of bone


Parameter

N

Hazard ratio

Confidence interval

P
Age   116   1.07   1.04-1.09   < .001  
Male sex   116   0.65   0.40-1.06   .083  
Hemoglobin   116   0.91   0.80-1.03   .013  
Serum M spike     
    Positive   116   0.99   0.62-1.59   .980  
    Size   116   0.99   0.77-1.27   .927  
Urine M spike     
    Positive   105   1.58   0.97-2.56   .066  
    Size   105   0.74   0.43-1.25   .262  
Free light chain assay     
    Ratio less than 0.26 or more than 1.65   116   1.51   0.97-2.36   .070  
    Ratio less than 0.25 or more than 4.0   116   1.68   1.04-2.69   .033  
    Elevated light chain
 
107
 
1.28
 
0.81-2.02
 
.300
 

Parameter

N

Hazard ratio

Confidence interval

P
Age   116   1.07   1.04-1.09   < .001  
Male sex   116   0.65   0.40-1.06   .083  
Hemoglobin   116   0.91   0.80-1.03   .013  
Serum M spike     
    Positive   116   0.99   0.62-1.59   .980  
    Size   116   0.99   0.77-1.27   .927  
Urine M spike     
    Positive   105   1.58   0.97-2.56   .066  
    Size   105   0.74   0.43-1.25   .262  
Free light chain assay     
    Ratio less than 0.26 or more than 1.65   116   1.51   0.97-2.36   .070  
    Ratio less than 0.25 or more than 4.0   116   1.68   1.04-2.69   .033  
    Elevated light chain
 
107
 
1.28
 
0.81-2.02
 
.300
 

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