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Table 4 Adjusted Odd Ratios (OR) and 95% Confidence Intervals (CI) from the multiple logistic regression analysis for postoperative radiotherapy compared to omission of radiotherapy

From: Role of postoperative radiotherapy in reducing ipsilateral recurrence in DCIS: an observational study of 1048 cases

Variable OR 95% CI p
Age at diagnosis < 0.001
  < 50 years 2.559 1.416–4.625  
 50–69 y 2.761 1.701–4.481  
  ≥ 70 y 1   
Tumour localisation 0.403
 Right 1   
 Left 0.857 0.597–1.230  
Multifocality 0.778
 no 1.117 0.519–2.406  
 yes 1   
Resection margins 0.663
 R0 1   
 R1–2 1.290 0.410–4.061  
Hormone receptor status 0.001
 Positive 1   
 Negative 2.625 1.458–4.728  
Endocrine therapy 0.029
 no 1   
 yes 1.762 1.060–2.927