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Table 3 Breast cancer related death and overall death in relation to statin use prior to breast cancer diagnosisa

From: Statin use and breast cancer survival – a Swedish nationwide study

  Breast cancer related death Overall death
Pre-diagnostic statin use Events Person years HR 95% Confidence Intervals P-value Events Person years HR 95% Confidence Intervals P-value
Statin use rate
 None (n = 15,718) 1936 77,604 1.0 3358 89,972 1.0   
 Intermed. (n = 576) 65 2786 0.74 0.58–0.95 0.019 297 3229 0.75 0.63–0.89 0.001
 High (n = 1492) 189 7191 0.84 0.72–0.98 0.022 216 8303 0.80 0.72–0.89 < 0.001
Regular statin use
 No (n = 7717) 830 33,321 1 1467 39,566 1
 Yes (n = 1092) 111 4703 0.77 0.63–0.95 0.014 229 5566 0.76 0.66–0.88 < 0.001
  1. aThe Cox regression took age at diagnosis, stage and diabetes into account