What is ApoB/ApoA1 ratio?
the balance of harmful and protective cholesterol
The ratio of ApoB to ApoA1 summarises cardiovascular risk in a single number. The lower the ratio, the better the balance between harmful and protective lipoproteins.
The ratio is one of the strongest single predictors of heart attack risk. It is used in international risk models (AMORIS, INTERHEART) and is not sensitive to fasting state.
Test facts
- Sample
- Serum
- Fasting
- 12 hours
- Turnaround
- 3 days
What does low ApoB/ApoA1 ratio mean?
A low ratio is favourable.
What does high ApoB/ApoA1 ratio mean?
A high ratio raises cardiovascular risk and should prompt lifestyle change or medical assessment.
Panels that measure ApoB/ApoA1 ratio
- Deep Baseline
- Heart & Vessels
More markers in the same area
Launching in Stockholm in 2026.
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This is general information about the marker, not an assessment of your values and not medical advice. Last updated: May 2026.