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Letters Long term statin treatment

Serious bias in 20 year follow-up study of statin trial

BMJ 2017; 359 doi: (Published 31 October 2017) Cite this as: BMJ 2017;359:j4906
  1. Uffe Ravnskov, independent researcher1,
  2. Harumi Okuyama, professor2,
  3. Sherif Sultan, professor3
  1. 1Magle Stora Kyrkogata 9, 22350 Lund, Sweden
  2. 2Nagoya City University and Institute for Consumer Science and Human Life, Kinjo Gakuin University, Nagoya, Japan
  3. 3Western Vascular Institute, University Hospital Galway and Galway Clinic, National University of Ireland and Royal College of Surgeons of Ireland affiliated Hospital, Galway, Republic of Ireland
  1. ravnskov{at}

The BMJ’s news story on the follow-up study of the WOSCOPS trial says that total and cardiovascular mortality were considerably reduced in men allocated to the treatment group at 20 year follow-up; in particular among those with the highest concentrations of low density lipoprotein (LDL) cholesterol.12

But the study has serious bias. …

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