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Updated: Jun 21, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Benefit of statins in daily practice? A six-year retrospective observational study
P Deambrosis1, G Terrazzani, T Walley
1Pharmaceutical Service, Local Health Authority, Treviso, Italy.
Insights
This study on hypercholesterolemic patients found that while statin adherence improves cholesterol levels, it surprisingly increased hospitalization risk. Older age and male gender were linked to higher hospitalization risk.
Area of Science:
- Cardiology
- Pharmacoeconomics
- Public Health
Background:
- Hypercholesterolemia poses a significant risk for coronary events.
- Statin therapy is a cornerstone in managing high cholesterol.
- Patient adherence to statin medication is crucial for treatment efficacy.
Purpose of the Study:
- To investigate the association between statin adherence and achieving target cholesterol levels.
- To examine the relationship between statin adherence and time to first coronary event hospitalization.
- To identify factors influencing cholesterol management and hospitalization in hypercholesterolemic patients.
Main Methods:
- Observational retrospective study design.
- Analysis of 3516 hypercholesterolemic patients treated with statins (1998-2003).
- Stratification of patients based on adherence levels (good, poor, nonadherent).
Main Results:
- Significant reductions in total cholesterol (CL) observed across all adherence groups (p<0.001).
- Higher statin adherence, older age, and male gender were associated with achieving target CL (<200mg/dl).
- Contrary to expectations, improved statin adherence correlated with an increased risk of hospitalization.
Conclusions:
- Statin adherence is effective in lowering cholesterol levels in hypercholesterolemic patients.
- Factors like age and gender influence cholesterol management success.
- The unexpected finding of increased hospitalization risk with better adherence warrants further investigation.
Abstract:
This observational retrospective study analysed the association of adherence to statins with the achievement of a target total cholesterol level (CL, <200mg/dl), and any association of adherence with the time to first hospital admission for coronary event in hypercholesterolemic patients treated with statins, in one Italian Local Health Authority between 1998 and 2003. The study population consisted of 3516 patients who were prescribed statins and for whom full cholesterol results were available. After three months of treatment, there were significant reductions in CL (p<0.001) in the three treatment groups stratified by adherence (good adherents -24%, poor adherents -22%, and nonadherents -14%). Patients more likely to achieve the target CL were older, male and more adherent to the statins. The risk of first hospitalization was associated positively with increased age and male gender. Patients with co-treatments were more likely to be hospitalized. Surprisingly, better adherence to statin treatment increased the risk of hospitalization.
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