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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2019 May 11;105(1):174–182. doi: 10.1016/j.ijrobp.2019.04.038

Table 5.

Triple negative Subset by Radiation Administered

Post Mastectomy RT Received NoRT
Triple Negative Mastectomy patients HR(p) Events/ # Patients 5yr HR(p) Events/ # Patients 5 yr
LRR 1.00 (ref) 5/77 91.0% (79.6–96.2) 1.86 (0.39 0 8.97) (0.44) 2/16 77.9% (35.4–94.2)
Regional Nodal RT Received No Regional Nodal RT
Triple negative BCS patients who had whole breast RT HR(p) 5yr HR(p) 5 yr
LRR 1.00 (ref) 6/44 90.2% (65.9–94.5) 0.57 (0.12–2.82) (0.49) 2/24 85.8% (71.1–93.4)

HR, hazard ratio; LRR, local-regional recurrence; RT, radiation therapy