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Table 4 Univariate analyses comparing survival in patient groups stratified by treatment-related characteristics

From: Impact of modern chemotherapy on the survival of women presenting with de novo metastatic breast cancer

Characteristic Hazard ratio 95%CI P-value
Endocrine Therapy    
 No 1.00 reference <0.0001
 Any 0.60 0.47 – 0.77  
SERM    
 No 1.00 reference 0.007
 Yes 0.63 0.48 – 0.82  
AI    
 No 1.00 reference <.0001
 Yes 0.47 0.34 – 0.66  
LHRH    
 No 1.00 reference 0.75
 Yes 0.85 0.31 – 2.30  
Fulvestrant    
 No 1.00 reference 0.0004
 Yes 0.29 0.15 – 0.57  
Chemotherapy    
 No 1.00 reference 0.06
 Yes 0.76 0.57 – 1.02  
Category    
 A 1.00 reference  
 A+B 0.8 0.60 – 1.07 0.13
HER2-Directed Therapy    
 No 1.00 reference 0.15
 Yes 0.69 0.41 – 1.14  
Bisphosphonate Therapy    
 No 1.00 reference 0.02
 Yes 0.70 0.52 – 0.96  
Pamidronic acid    
 No 1.00 reference 0.44
 Yes 0.87 0.62 – 1.23  
Zoledronic acid    
 No 1.00 reference 0.002
 Yes 0.50 0.32 – 0.77