Factors influencing pathological complete response and tumor regression in neoadjuvant radiotherapy and chemotherapy for high-risk breast cancer

Table 6 Analysis of pCR and bpCR by treatment time

Treatment time/endpoint	All		1991–1993		1994–1996		1997–1999		2000–2003		p
pCR	n	n pCR	n	n pCR	n	n pCR	n	n pCR	n	n pCR
pCR	341	31.1%	90	36.7%	121	28.1%	118	28.0%	12	50%	0.232
bpCR	n	n bpCR	n	n bpCR	n	n bpCR	n	n bpCR	n	n bpCR
bpCR	341	39.0%	90	31.6%	121	37.2%	118	33.9%	12	50%	0.234

ISSN: 1748-717X