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Table 4 Multivariate analysis for overall survival

From: Predicting the survival of patients with bone metastases treated with radiation therapy: a validation study of the Katagiri scoring system

Variable HR 95%CI P value
Gender
 man 0.479 0.375–0.612 < 0.001
 woman 1.000   
KPS
 10–60 1.796 1.340–2.408 < 0.001
 70–80 1.479 1.072–2.041 0.017
 90–100 1.000   
ECOG PS
 0–2 0.690 0.547–0.871 0.002
 3–4 1.000   
Laboratory data
 Normal 0.312 0.203–0.480 < 0.001
 Abnormal 0.697 0.541–0.900 0.006
 Critical 1.000   
Primary characteristics
 Slow 0.278 0.187–0.412 < 0.001
 Moderate 0.708 0.507–0.988 0.042
 Rapid 1.000   
Primary lesion
 Lung    
 Breast    
 Prostate    
 Others    NS
Visceral metastases
 No 0.428 0.279–0.655 < 0.001
 Nodular 0.753 0.568–0.997 0.047
 Disseminated 1.000   
  1. NS not significant