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. Author manuscript; available in PMC: 2021 Oct 7.
Published in final edited form as: Clin Breast Cancer. 2020 May 13;20(6):e701–e710. doi: 10.1016/j.clbc.2020.05.007

Table 4.

High Grade: Propensity Matched Groups: Cause-specific Survival

Cause-specific Survival, y
Covariate N HR (95% CI) HR P-value Log-rank P Value
Radiation type
 Beam radiation 340 0.58 (0.34–0.98) .043 .041
 None 340

Abbreviations: CI = confidence interval; HR = hazard ratio.

Bold values are significant.