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Table 2 Univariate logistic regression analysis of LRR-free survival and event-free survival

From: Association of surgical margins with local recurrence in patients undergoing breast-conserving surgery after neoadjuvant chemotherapy

 LRR-free survivalEvent-free survival
VariablesHazard ratio95% confidence intervalPHazard ratio95% onfidence intervalP
Age, years(≥ 50 vs. <  50)1.0130.368–2.7890.9800.8560.413–1.7750.676
Tumour size, cm(>  2 vs. ≤ 2)1.2700.167–9.6370.8170.8150.247–2.6860.737
Lymph node(positive vs. negative)2.6820.609–11.8110.1921.9720.757–5.1350.164
Histological grade(3 vs. 0–2)0.8510.295–2.4530.7661.0980.520–2.3160.807
ER(positive vs. negative)0.9270.334–2.5740.8840.8840.435–1.7970.734
PR(positive vs. negative)0.9770.362–2.6330.9630.9260.456–1.8810.832
HER2(positive vs. negative)1.5550.583–4.1460.3781.1740.583–2.3610.654
Ki-67 labelling index, %(≥ 14 vs. <  14)3.2530.688–15.3880.1371.9500.756–5.0340.167
Surgical margin, mm(≥ 1 vs. < 1)0.4430.142–1.3830.1610.5540.239–1.2840.169