The reversal of recurrence hazard rate between ER positive and negative breast cancer patients with axillary lymph node dissection (pathological stage I-III) 3 years after surgery

Table 3 The 10-year disease-free survival rates and univariate Cox regression analysis

Factors	disease-free survival rates		Hazard ratio		Log-rank test p-value
	10-year (%)	95% CI ^a		95% CI ^a
Age
< 35	47.0	33.3–60.7	1.00	-	0.49
35–54	59.0	55.7–62.4	0.91	0.50–1.64
≥ 55	63.1	59.4–66.7	0.90	0.50–1.63
cTNM
Stage I	72.4	67.3–77.6	1.00	-	<0.001
Stage II	60.9	58.0–63.9	2.05	1.45–2.91
Stage III	31.5	24.8–38.2	5.03	3.36–7.52
pTNM
Stage I	81.7	77.4–85.9	1.00	-	<0.001
Stage II	67.5	64.4–70.5	2.18	1.47–3.24
Stage III	17.7	13.1–22.4	7.66	5.13–11.43
pN
pN0	76.6	73.8–79.5	1.00	-	<0.001
pN1	56.4	51.6–61.2	1.85	1.36–2.53
pN2	15.5	10.3–20.7	5.75	4.22–7.83
pN3	26.8	16.6–37.1	4.88	3.25–7.32
ER status
Negative	59.8	56.4–63.2	1.00	-	0.183
Positive	60.0	56.6–63.4	0.83	0.63–1.09
Breast surgery
Breast conserving surgery	59.1	54.1–64.0	1.00	-	0.007
Modified radical mastectomy	61.5	58.7–64.3	1.14	0.86–1.52
Standard radical mastectomy	ND^b	-	3.34	1.76–6.33

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