Prevention & lipidsMeta-analysis

The association of lipoprotein(a) and coronary artery calcium in asymptomatic patients: a systematic review and meta-analysis

Eur J Prev CardiolPublished

  • Systematic review and meta-analysis
  • random-effects model

Authors' conclusion

Our findings of this meta-analysis suggest that Lp(a) is positively associated with a higher likelihood of CAC. Higher Lp(a) levels increased the odds of CAC >0.

Study context

Population
Asymptomatic patients (mean age 55.9 years, 46.4% female)
Participants
23,105 patients · 18 studies
Comparison
Elevated Lp vs not elevated
Outcome
CAC > 0 Agatston units and CAC ≥ 100

Pooled result

As reported in the abstract

CAC > 0 and CAC ≥100
Elevated Lp(a)Odds ratio (95% CI)P value
CAC > 0
1.31(1.05–1.64)
P = 0.02
CAC ≥100
1.29(1.01–1.65)
P = 0.04

Further pooled results

Coronary artery calcium (CAC) progression

ComparisonOR (95% CI)P value
Elevated Lp(a)1.43 (1.20–1.70)P < 0.01
OutcomeOR (95% CI)P value
CAC > 0 per 1 mg/dL increment in Lp(a)1.01 (1.01–1.01)P < 0.01

Original publication

The association of lipoprotein(a) and coronary artery calcium in asymptomatic patients: a systematic review and meta-analysis. Eur J Prev Cardiol. Published 1 February 2024. doi:10.1093/eurjpc/zwae043

Summarised from the published abstract; every number is checked against it