Saving the Breast Saves the Lives of Breast Cancer Patients

Table 1

Characteristics of the two groups of patients.

Subject	BCT^¥	Mastectomy	value
Number (%)	2050 (61)	1308 (39)
Mean age (year)	48.95	49.47	0.25
Stages			<0.001
I	27.4%	8.7%
II	49.1%	40.8%
III	21.6%	45.7%
IV	1.8%	4.8%
Tumor size			<0.001
T1	39.6%	18.2%
T2	55.3%	59.2%
T3	5.1%	22.3%
Number of positive nodes			<0.001
0	55.5%	34.8%
1–3	26.2%	26.7%
4–10	13.6%	26%
>10	4.8%	12.8%
Pathology			<0.002
Noninvasive	6.1%	3.7%
Invasive	93.9%	96.3%
Radiation therapy	98.9%	88.3%	<0.001
ER+	74.6%	66%	<0.001
PR+	69.1%	56.5%	<0.001
Her-2+	19.9%	30.9%	<0.001
Post NACT^ƚ	8.8%	13.8%	<0.001
Chemotherapy	93.4%	97.9%	<0.001

^¥Breast conserving therapy. ^ŁPostneoadjuvant chemotherapy.