Research Article

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

Table 2

Overall survival by baseline characteristics.

CharacteristicsAlive (n = 327)Died (n = 39) value
n(%)n(%)

Age (mean ± SD)#49.3±9.351.5±7.80.123
Tumor size (mm) (mean ± SD)#33.4±18.450.5±30.3<0.001
Neoadjuvant chemotherapeutic regimen0.090
 Epirubicin-based169(51.7)14(35.9)
 PLD-based158(48.3)25(64.1)
Molecular subtype0.024
 Luminal type (Her2 negative)159(48.6)11(28.2)
 Her2 positive114(34.9)16(41.0)
 TNBC54(16.5)12(30.8)
Histological grade f<0.001
 Grade 1-2 (well/moderately differentiated)202(61.8)12(30.8)
 Grade 3 (poorly differentiated)112(34.3)26(66.7)
 Grade 9 (unknown)13(4.0)1(2.6)
Pathologic complete response (pCR) f68(20.8)1(2.6)0.011
Chemoregimen with taxane before surgery257(78.6)27(69.2)0.262
Clinical stage f0.016
 IA24(7.3)0(0.0)
 IIA116(35.5)10(25.6)
 IIB138(42.2)18(46.2)
 IIIA40(12.2)6(15.4)
 IIIB8(2.4)4(10.3)
 IIIC1(0.3)1(2.6)
Surgery0.046
 Partial mastectomy143(43.7)10(25.6)
 Total mastectomy184(56.3)29(74.4)
With radiotherapy240(73.4)31(79.5)0.531

Chi-square test. fFisher’s exact test. #Mann–Whitney U test. ; .