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ApoB & LDL-C Cardiovascular Risk & Discordance Calculator

Calculate Apolipoprotein B (ApoB) particle risk tiers, LDL-C discordance, non-HDL cholesterol, and atherogenic remnant lipoproteins for preventive cardiology.

Calculated Results

ApoB Atherogenic Particle Risk Tier
Moderate Risk (ApoB 90 – 110 mg/dL)
Concordant Profile: ApoB and LDL-C tracks consistently
Non-HDL Cholesterol
157 mg/dL (TC - HDL)
Remnant Cholesterol
32 mg/dL (Atherogenic Triglyceride-Rich)
Optimal Preventive Longevity Goal
< 60 – 70 mg/dL (Top 5th Percentile)
ApoB / LDL-C Ratio
0.76 (Particle Density Indicator)
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Frequently Asked Questions

Why is ApoB a superior cardiovascular risk marker compared to standard LDL-C?

LDL-C measures only the mass (weight) of cholesterol inside LDL particles, whereas ApoB counts the exact number of atherogenic particles. Because each LDL, VLDL, and IDL particle carries exactly ONE molecule of ApoB, measuring ApoB reveals the true density of artery-invading particles.

What does ApoB / LDL discordance mean?

Discordance occurs when LDL-C appears 'normal' (e.g., 90 mg/dL), but ApoB is dangerously high (e.g., 110 mg/dL). This occurs in insulin resistance, obesity, and diabetes where patients produce numerous small, dense, highly atherogenic particles.

What are the clinical cardiovascular risk guidelines for ApoB?

Optimal/High-Risk Prevention: < 60–70 mg/dL; Moderate Risk: 80–100 mg/dL; Elevated/High Risk: > 100 mg/dL; Extreme Risk: > 120 mg/dL.

What is Remnant Cholesterol?

Remnant cholesterol (Total Cholesterol minus HDL minus LDL) quantifies the cholesterol carried in triglyceride-rich lipoproteins (VLDL and chylomicron remnants), which independently accelerate arterial plaque deposition.