Table 1.

Characteristics of patients and treatment and univariate analysis of breast cancer specific survival

Characteristic	Subgroup	Not dead due to breast cancer	Dead due to breast cancer	Univariate analysis
		(N = 106)	(N = 48)
American Society of Anaesthesiology score	1 or 2	71	29	0.43
	3 or 4	35	19
Eastern Cooperative Oncology Group performance status	1 or 2	94	40	0.36
	3 or 4	12	8
Preoperative hormonal treatment	Yes	11	9	0.15
	No	95	39
pT-stage	pT1 or pT2	86	29	0.006
	pT3 or pT4	20	19
pN-stage	pN0 or unknown	69	14	0.001
	pN1 or pN2 or pN3	37	34
Breast cancer surgical procedure	Quadrantectomy	32	10	0.23
	Mastectomy	74	38
Axillary lymphadenectomy	Yes	51	36	0.002
	No	55	12
Lymph node surgery	Without	31	7	0.003
	Sentinel node biopsy	24	4
	Lymphadenectomy	51	37
Tumor differentiation	1 or 2	71	19	0.003
	3	35	29
Oestrogen receptors	Negative	9	11	0.014
	Positive	97	37
Progesterone receptors	Negative	29	35	0.97
	Positive	77	13
Molecular subtype	Hormone positive	96	38	0.047
	Triple negative	5	8
	HER-2 positive	5	2
Surgery in accordance with guidelines	Yes	47	8	0.001
	No	59	40
Adjuvant systemic therapy	Tamoxifen	44	9	-
	Aromatase inhibitor	49	33
	Cytostatics	0	1
	Trastuzumab	0	0
	Without	13	5
Radiotherapy	Yes	10	7	0.34
	No	96	41