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Record W2058970828 · doi:10.1136/ebm.11.2.42

Amlodipine plus perindopril was better than atenolol plus bendroflumethiazide for reducing complications in hypertension

2006· letter· en· W2058970828 on OpenAlexaff
Kelly B. Zarnke

Bibliographic record

VenueEvidence-Based Medicine · 2006
Typeletter
Languageen
FieldMedicine
TopicBlood Pressure and Hypertension Studies
Canadian institutionsWestern University
Fundersnot available
KeywordsAtenololAmlodipineMedicinePerindoprilCardiologyInternal medicinePharmacologyBlood pressure

Abstract

fetched live from OpenAlex

Dahlöf B, Sever PS, Poulter NR, et al . Prevention of cardiovascular events with an antihypertensive regimen of amlodipine adding perindopril as required versus atenolol adding bendroflumethiazide as required, in the Anglo-Scandinavian Cardiac Outcomes Trial-Blood Pressure Lowering Arm (ASCOT-BPLA): a multicentre randomised controlled trial. Lancet 2005;366:895–906. [OpenUrl][1][CrossRef][2][PubMed][3][Web of Science][4] Q In patients 40–79 years of age with hypertension and ⩾3 other cardiovascular (CV) risk factors, is amlodipine plus perindopril more effective than atenolol plus bendroflumethiazide for reducing CV outcomes? Clinical Impact Ratings GP/FP/Primary care ★★★★★☆☆ IM/Ambulatory care ★★★★★★☆ Cardiology ★★★★★★☆ ### ![Graphic][5]</img>Design randomised controlled trial (Anglo-Scandinavian Cardiac Outcomes Trial–Blood Pressure Lowering Arm [ASCOT-BPLA]). ### ![Graphic][6]</img>Allocation concealed.* ### ![Graphic][7]</img>Blinding blinded (outcome assessors).* ### ![Graphic][8]</img>Follow up period median 5.5 years. ### ![Graphic][9]</img>Setting 686 family practices in the Nordic countries and 32 regional centres in the UK and Ireland. ### ![Graphic][10]</img>Patients 19 257 patients 40–79 years of age (mean age 63 y, 77% men) who had hypertension and ⩾3 other CV risk factors. Exclusion criteria included previous myocardial infarction (MI), currently treated angina, and a cerebrovascular event … [1]: {openurl}?query=rft.jtitle%253DLancet%26rft.stitle%253DLancet%26rft.aulast%253DDahlof%26rft.auinit1%253DB.%26rft.volume%253D366%26rft.issue%253D9489%26rft.spage%253D895%26rft.epage%253D906%26rft_id%253Dinfo%253Adoi%252F10.1016%252FS0140-6736%252805%252967185-1%26rft_id%253Dinfo%253Apmid%252F16154016%26rft.genre%253Darticle%26rft_val_fmt%253Dinfo%253Aofi%252Ffmt%253Akev%253Amtx%253Ajournal%26ctx_ver%253DZ39.88-2004%26url_ver%253DZ39.88-2004%26url_ctx_fmt%253Dinfo%253Aofi%252Ffmt%253Akev%253Amtx%253Actx [2]: /lookup/external-ref?access_num=10.1016/S0140-6736(05)67185-1&link_type=DOI [3]: /lookup/external-ref?access_num=16154016&link_type=MED&atom=%2Febmed%2F11%2F2%2F42.atom [4]: /lookup/external-ref?access_num=000231770000027&link_type=ISI [5]: /embed/inline-graphic-1.gif [6]: /embed/inline-graphic-2.gif [7]: /embed/inline-graphic-3.gif [8]: /embed/inline-graphic-4.gif [9]: /embed/inline-graphic-5.gif [10]: /embed/inline-graphic-6.gif

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Direct model labels (unvalidated)

Per-model category and study-design labels from the labeling rounds. They are machine output, unvalidated, and the disagreement between models ships as data. No study design here is MEDLINE-validated yet.

Model armCategoriesStudy designConfidence
gemmano category
Domain: not available · Genre: Editorial
About the Canadian research system: no · About a Canadian topic: no
Randomized triallow
gptno category
Domain: not available · Genre: Commentary
About the Canadian research system: no · About a Canadian topic: no
Not applicablemedium
models splitAgreement compares identical category sets and study designs across arms.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Commentary · Consensus signal: Commentary
Teacher disagreement score0.050
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0030.001
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.003
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.128
GPT teacher head0.322
Teacher spread0.194 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Labeled directly by 2 models reading the full record.

The models applied no category: nothing in the taxonomy fit this work.

The models disagree on parts of this classification; every voice is preserved in the section at the end of the page.

Study designRandomized trial · Not applicable
Domainnot available
GenreEditorial · Commentary

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2006
Admission routes1
Has abstractyes

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