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Table 3 Multivariable logistic regression analyses of the risk factors associated with ALN metastasis in breast cancer patients with one or two positive SLNs

From: Independent risk factors for axillary lymph node metastasis in breast cancer patients with one or two positive sentinel lymph nodes

  Parameter β SE P OR 95% CI
Intercept −0.5262 0.4468 0.239   
X1 Age −0.4902 0.2447 0.0451 0.612 0.379–0.989
X2 Occupation −0.2414 0.1155 0.0365 0.786 0.626–0.985
X17 Ratio of positive to total SLNs 0.9565 0.1982 < 0.0001 2.603 1.765–3.838
  1. Abbreviations: OR odds ratio, CI confidential interval, SLN sentinel lymph node, ALN axillary lymph node. Logit(P) =  − 0.5262 − 0.4902X1 − 0.2414X2 + 0.9565X17