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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