Comparison of Friedewald, Martin/Hopkins, and Sampson formulae with direct LDL measurement in hyperlipidaemic and normolipidaemic adults in a Turkish population
2024

Comparing LDL Measurement Methods in Turkish Adults

Sample size: 6297 publication Evidence: moderate

Author Information

Author(s): Medine Alpdemir, Mehmet Fatih Alpdemir, Mehmet Şeneş

Primary Institution: University of Health Sciences, Ankara Training and Research Hospital

Hypothesis

How do the Friedewald, Martin/Hopkins, and Sampson formulas compare to direct LDL measurement in Turkish adults?

Conclusion

The Martin/Hopkins formula performed better than the Friedewald and Sampson formulas for estimating LDL-C in Turkish adults.

Supporting Evidence

  • All three formulae showed a strong positive correlation with d-LDL-C.
  • The Martin/Hopkins formula had a lower median difference compared to the others.
  • The study included a large sample size of 6297 patients.
  • Statistical analyses indicated significant differences in LDL-C estimations.

Takeaway

This study looked at different ways to measure cholesterol in people and found that one method is better than the others for Turkish adults.

Methodology

A retrospective study evaluated cholesterol panel results from 6297 patients aged 18-95 years over two years.

Potential Biases

Potential biases due to exclusion of certain patient demographics and reliance on laboratory data.

Limitations

The study used a direct LDL-C measurement method instead of the gold standard and lacked data on factors like race and obesity.

Participant Demographics

Patients aged 18-95 years, 58% female and 42% male.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI=-1.01 to -0.93

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.5937/jomb0-46549

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