Research Article

The Efficacy of Pegylated Liposomal Doxorubicin-Based Neoadjuvant Chemotherapy in Breast Cancer: A Retrospective Case-Control Study in Taiwan

Table 3

Cox proportional hazard regression model of overall survival.

CharacteristicsUnivariate analysisMultivariate analysis
HR (95% CI)HR (95% CI)

PLD group vs. epirubicin group1.62 (0.84–3.11)0.1521.36 (0.69–2.68)0.373
Pathologic complete response (pCR) vs. non-pCR0.14 (0.02–1.04)0.0550.12 (0.02–0.88)0.037
Matching criteria
 Preoperative clinical stage (III vs. I-II)1.75 (0.86–3.54)0.1210.78 (0.32–1.93)0.596
 Molecular subtype
  Luminal type (Her2 negative)1.001.00
  Her2 positive1.96 (0.91–4.23)0.0871.81 (0.8–4.13)0.157
  TNBC3.14 (1.38–7.13)0.0062.25 (0.87–5.82)0.096
 Chemoregimen before surgery with taxane vs. without taxane1.96 (0.91–4.23)0.0862.40 (1.09–5.25)0.029
 Histological grade (III vs. I-II)3.95 (1.99–7.83)<0.0012.71 (1.28–5.76)0.009
Age1.04 (1.00–1.07)0.0631.01 (0.98–1.05)0.532
Tumor size (mm)1.02 (1.01–1.03)<0.0011.02 (1.01–1.03)<0.001