Prognostic Significance of the Number of Removed and Metastatic Lymph Nodes and Lymph Node Ratio in Breast Carcinoma Patients with 1–3 Axillary Lymph Node(s) Metastasis

Table 3

Cox proportional hazards model analysis of the clinicopathological features and lymph node ratio in terms of locoregional recurrence-free survival in the whole series.

Feature	Relative risk	%95 CI	P
Age, years			0.737
<35	1.00
≥35	0.84	0.32–2.23
Menopausal status			0.863
Premenopausal	1.00
Postmenopausal	1.05	0.60–1.82
Tumor size			0.059
T1	1.00
T2	2.17	1.14–4.14
T3	2.08	0.82–5.25
Histological type			0.831
Invasive ductal	1.00
Invasive lobular	0.95	0.37–2.42
Invasive ductal and lobular	0.50	0.07–3.70
Other	0.61	0.15–2.53
Adjuvant chemotherapy			0.746
Yes	1.00
No	0.86	0.36–2.05
Adjuvant hormonal therapy			0.181
Yes	1.00
No	1.44	0.84–2.47
Adjuvant radiotherapy			<0.001
Yes	1.00
No	3.78	2.17–6.59
Lymph node ratio			<0.001
≤0.30	1.00
>0.30	3.14	1.94–5.99