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Table 2 Univariate analysis for the performance of axillary lymph node dissection according to the year of surgery

From: Impact of the ACOSOG Z0011 trial on surgical practice in Asian patients: trends in axillary surgery for breast cancer from a Korean Breast Cancer Registry analysis

  Unadjusted OR 95% CI p value
Year of surgery
 2011 Ref   
 2012 0.808 0.670–0.973 0.025
 2013 0.702 0.584–0.843  < 0.0001
 2014 0.523 0.437–0.626  < 0.0001
 2015 0.473 0.388–0.577  < 0.0001
 2016 0.361 0.295–0.441  < 0.0001
 2017 0.290 0.238–0.353  < 0.0001
 2018 0.276 0.210–0.362  < 0.0001