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Table 2 Results of the univariate and multivariate analysis for loco regional cecurrence, according to patient and tumor characteristics.

From: Postmastectomy locoregional recurrence and recurrence-free survival in breast cancer patients

Characteristics Univariate Multivariate
  HR 95% CI P value HR 95% CI P value
Age (year) 1.0 0.97-1.03 0.99 0.99 0.96-1.03 0.87
Weight 0.97 0.93-1.02 0.3 0.97 0.92-1.03 0.4
Tumor size       
*T1 = ≤ 2 cm       
T2 = 2-5 cm 0.49 0.16-1.5 0.21 0.4 0.11-1.43 0.16
T3 = > 5 cm 0.87 0.29-2.55 0.8 0.57 0.15-2.09 0.39
Nodal Status       
*N 0 = no involvement       
N 1-3 0.81 0.21-3.02 0.75 0.32 0.05-1.91 0.21
N 4-9 1.52 0.48-4.79 0.46 0.26 0.02-3.23 0.3
N ≥ 10 0.51 0.11-2.28 0.37 0.09 0.007-1.37 0.08
Stage       
*S1       
S2 0.95 0.11-7.97 0.96 3.55 0.24-51.72 0.35
S3 1.52 0.2-11.55 0.68 13.18 0.35-485.9 0.16
Grade       
*G1       
G2 0.98 0.21-4.43 0.98 1.004 0.20-4.96 0.99
G3 1.18 0.25-5.38 0.83 1.14 0.23-5.48 0.87
Histologic type       
* Ductal       
Lobular 1.21 0.28-5.2 0.78 1.5 0.29-7.53 0.62
  1. *The base groups in Cox analysis are T1, N 0, S1, G1 and Ductal carcinoma.