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Table 4 Multivariable Cox PH regression models for local/regional recurrence-free survival (Number = 819).

From: Implications of constructed biologic subtype and its relationship to locoregional recurrence following mastectomy

Variable HR (95%CI) P-value
1-3 positive lymph nodes 4.75 (1.75 to 12.88) < 0.01
≥ 4 positive lymph nodes 23.40 (4.64 to 117.94) < 0.01
Age < 50 at diagnosis 3.23(1.25 to 8.33) 0.02
HR+/HER2+ Subtype 4.26 (1.05 to 7.33) 0.04
HR-/HER2- Subtype 13.87 (4.96 to 38.80) < 0.01
  1. CI, confidence interval; HER2, human epidermal growth receptor 2; HR, hormone receptor.