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Correction to: Adherence to prescription guidelines and achievement of treatment goals among persons with coronary heart disease in Tromsø 7
BMC Cardiovascular Disorders volume 21, Article number: 406 (2021)
Correction to: BMC Cardiovasc Disord (2021) 21:44 https://doi.org/10.1186/s12872-021-01866-1
Following publication of the original article , the authors would like to correct some information in the fourth paragraph under ‘Data extraction’ in the methods section. We have found that the LDL-cholesterol concentrations included in the study were measured directly, not calculated from total cholesterol.
The information originally read:
Serum total cholesterol was analysed by CHOD-PAP enzymatic colorimetric methods with commercial kits (Roche Diagnostics GmbH, Mannheim, Germany) from non-fasting blood samples. The analysis was performed at the Department of Laboratory Medicine, University Hospital of North Norway, Tromsø, Norway. LDL-cholesterol concentration was then calculated according to Friedewald’s formula: LDL-cholesterol = total cholesterol − high-density lipoprotein cholesterol − (0.45 × triglycerides).
The information should read:
LDL-cholesterol was collected and analyzed by trained personnel using enzymatic colorimetric methods with commercial kits on a Cobas 8000 c702 (Roche Diagnostics GmbH, Mannheim, Germany) from non-fasting venous blood samples. The analysis was performed at the Department of Laboratory Medicine, University Hospital of North Norway, Tromsø, Norway (ISO certification NS-EN ISO 15189:2012).
The original article  has been corrected.
Pedersen E, Garcia BH, Halvorsen KH, et al. Adherence to prescription guidelines and achievement of treatment goals among persons with coronary heart disease in Tromsø 7. BMC Cardiovasc Disord. 2021;21(1):44.
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Pedersen, E., Garcia, B.H., Halvorsen, K.H. et al. Correction to: Adherence to prescription guidelines and achievement of treatment goals among persons with coronary heart disease in Tromsø 7. BMC Cardiovasc Disord 21, 406 (2021). https://doi.org/10.1186/s12872-021-02214-z