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Table 5 Significant predictors of false-negative axillary ultrasound (false-negative ratio = OR) in 470 patients with breast cancer according to univariate and multivariate logistic regression

From: Accuracy of axillary ultrasound in preoperative nodal staging of breast cancer - size of metastases as limiting factor

  Univariate Multivariate
  p-value OR (95% CI) p-value
Tumour stage    
T1 0,004 1.55 (1.17-2.04) n.s.
T2-4   1  
Grading    
G1/2 0.003 1.61 (1.16-2.24) n.s.
G3   1  
Lymphangiosis    
No 0.001 1.72 (1.33-2.22) n.s.
Yes   1  
ER status    
Positive 0.024 1.63 (1.03-2.59) n.s.
Negative   1  
PR status    
Positive 0.014 1.54 (1.08-2.22) n.s.
Negative   1  
HER2 status    
Negative 0.007 2.99 (1.067-8.36) n.s.
Positive   1  
Ki-67    
≤14% <0.001 1.76 (1.34-2.30) n.s.
>14%   1  
Size of nodal metastasis    
≤10 mm <0.001 2.66 (1.81-3.91) 0,001
>10 mm   1  
Nodal stage    
N1 <0.001 1.96 (1.41-2.73) n.s.
N2-3   1  
Capsular infiltration    
No <0.001 2.22 (1.59-3.11) n.s.
Yes   1  
  1. OR = Odds ratio; CI = confidence interval; n.s. = not significant.