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Table 2 Univariate logistic regression analysis of clinicopathologic characteristics of breast cancer for differentiating malignancy from the benign extramammary finding

From: Extramammary findings on breast MRI: prevalence and imaging characteristics favoring malignancy detection: a retrospective analysis

Variables Benign (percentage) Malignancy (percentage) Univariate logistic regression
Odds ratio (95 % CI) P value
Age 56.29 ± 12.68 54.97 ± 15.45 0.99 (0.97, 1.01) 0.569
Tumor size (cm) 2.69 ± 1.89 4.23 ± 2.58 1.37 (1.09, 1.71) 0.006
Lymph node metastasis 23/66 (34.8) 16/26 (61.5) 3.99 (1.99, 8.00) 0.000
Distant metastasis 7/71 (9.9) 48/62 (77.4) 32.33 (12.13, 86.14) 0.000
TNM stage (I/II vs. III/VI)   19.18 (7.74, 47.54) 0.000
 Stage I 23/71 (32.4) 2/62 (3.2)   
 Stage II 30/71 (42.2) 6/62 (9.7)   
 Stage III 13/71 (18.3) 7/62 (11.3)   
 Stage IV 5/71 (7.0) 47/62 (75.8)   
  1. CI confidence intervals