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ForumsCardiovascular OutcomesNNT for MACE prevention — July 2024 Page 7

NNT for MACE prevention — July 2024

gary_naperville Tue, Dec 17, 2024 at 10:59 AM 36 replies 1,910 viewsPage 7 of 8
SleepDoc_PDX
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Dec 26, 2024 at 10:00 PM#31
Dr.PeteFamMed said:
CRP reduction on cardiovascular risk — this is the lab result that excites me most: Baseline hsCRP: 7.0 mg/L (high cardiovascular risk) Month 6 hsCRP:…

NNT calculation for cardiovascular risk clinical endpoints: NNT = 1/ARR (absolute risk reduction).

From SELECT trial: MACE at 39 months — 6.5% semaglutide vs 8.0% placebo. ARR = 1.5%. NNT = 67 over 3.3 years.

Compare to established therapies:

InterventionNNTTimeframe
Semaglutide (MACE)673.3 years
Statins primary prevention (MI)~1005 years
Aspirin secondary prevention~772 years

These NNTs are clinically meaningful and comparable to accepted cardiovascular interventions.

Last edited: Dec 27, 2024 at 1:00 AM
30 3pete_nash, hank_denver, carlos_SATX and 27 others
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KevinCompounds
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Dec 27, 2024 at 12:20 PM#32

A narrower follow-up, since the general answer is now clear:

Was that from a primary source or from a summary of one?

31 4Dr.RaviCardio, jennifer_SEA, tyler_CSCS and 28 others
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pat_auckland
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Dec 28, 2024 at 2:40 AM#33
SleepDoc_PDX said:
NNT calculation for cardiovascular risk clinical endpoints: NNT = 1/ARR (absolute risk reduction).

Pushing back on SleepDoc_PDX here. Pushing back on the consensus forming here. Consistency is not the same as correctness, and a board that agrees with itself quickly is usually agreeing with the first person who sounded certain.

32 5LarryQC_SD, wanda_boise, NurseAsh_DET and 29 others
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james_edin
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Dec 28, 2024 at 5:00 PM#34
SleepDoc_PDX said:
NNT calculation for cardiovascular risk clinical endpoints: NNT = 1/ARR (absolute risk reduction).

SleepDoc_PDX has the substance of this right. The condition it depends on is worth stating. Yes, and the corollary is less popular: if the reasoning holds, it also holds where it produces an answer we do not like.

33 6oliver_london, tane_welly, Dr.PathRoch and 30 others
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HealthEcon_DC
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Dec 29, 2024 at 7:19 AM#35
SleepDoc_PDX said:
NNT calculation for cardiovascular risk clinical endpoints: NNT = 1/ARR (absolute risk reduction).

Genuinely useful, thank you. I had the facts and not the framework. I will report back once I have actually tried it.

34 7TrialTracker_MD, JennaRN, LabKate and 31 others
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