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Table 4 Multivariate analysis of risk factors associated with locoregional recurrence (n = 121 case-control pairs)

From: High mammographic breast density predicts locoregional recurrence after modified radical mastectomy for invasive breast cancer: a case-control study

  HR 95% CI P value*
Dense breasts (MBD >50%) 3.6 1.2-11.1 0.025
Positive margin 2.9 0.9-9.3 0.077
Adjuvant radiotherapy 2.2 0.9-5.9 0.100
Adjuvant chemotherapy 2.3 0.8-6.7 0.135
  1. MBD mammographic breast density, HR hazard ratio, CI confidence interval. *Significance tested using proportional hazards regression analyses by stratified Cox model. P value <0.05 with statistical significance. P value <0.05 was considered statistically significant