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. 2015 Mar 11;2015(3):CD008226. doi: 10.1002/14651858.CD008226.pub3

Gumprecht 2011.

Methods 6‐Week to 8‐week wash‐out dietary stabilisation period
4‐Week before‐and‐after study
Participants Eligible individuals aged 18 to 73 years; type 2 diabetes and combined dyslipidaemia, LDL‐C ≥ 100 and ≤ 220 mg/dL (≥ 2.6 and ≤ 5.7 mmol/L), TG ≥ 150 mg/dL (≥ 1.7 mmol/L)
Exclusion criteria: homozygous FH, secondary dyslipidaemia, significant cardiovascular and cerebrovascular disease, neoplastic disease within 10 years, SBP/DBP > 160/90 mmHg, muscular or neuromuscular disease, supplement use that affects lipid metabolism
Atorvastatin baseline LDL‐C: 3.77 mmol/L (146 mg/dL)
Interventions Atorvastatin 20 mg/d
Pitavastatin 4 mg/d
Outcomes Per cent change from baseline at 4 weeks of serum LDL‐C
Notes Atorvastatin group was analysed      
SD was imputed
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk Atorvastatin 20 mg/d; intervention was analysed, and as no placebo group was included for comparison, assessment of random sequence generation is not applicable
Allocation concealment (selection bias) Unclear risk Atorvastatin 20 mg/d; intervention was analysed, and as no placebo group was included for comparison, assessment of allocation concealment is not applicable
Blinding (performance bias and detection bias) 
 All outcomes Unclear risk Atorvastatin 20 mg/d; intervention was analysed, and as no placebo group was included for comparison, blinding status is not applicable
Incomplete outcome data (attrition bias) 
 All outcomes Low risk Data on all participants were reported
Selective reporting (reporting bias) High risk Only LDL‐C was measured
Other bias Unclear risk The study was funded by Kowa Research Europe Ltd