Evidence map›Paper›PMID 24652166›Full record

ArticleInternal and emergency medicine2014

A prospective validation of the SAME-TT2R 2 score: how to identify atrial fibrillation patients who will have good anticoagulation control on warfarin.

Daniela Poli, Emilia Antonucci, Sophie Testa, Gregory Yoke Hong Lip

Abstract readValidation Study
PubMed Publisher
In one paragraph

Article in Internal and emergency medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. SAMe-TTAmerican journal of cardiovascular drugs : drugs, devices, and other interventions · 2024
    Pooled it
  2. Pooled it
  3. SAMe-TTJACC. Asia · 2025
    Article
  4. Article
  5. Effect of SAMe-TTJournal of thrombosis and thrombolysis · 2020
    Observational
  6. The SAMe-TTJournal of clinical medicine · 2019
    Article
  7. Article
  8. Article
  9. SAMe-TTVascular medicine (London, England) · 2017
    Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Review
  15. Article
  16. SAME-TT2R 2 score and vitamin K antagonist therapy.Internal and emergency medicine · 2014
    Article
  17. Stroke and bleeding risk in atrial fibrillation.Korean circulation journal · 2014
    Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Daniela PoliDepartment of Heart and Vessels, Thrombosis Centre, Azienda Ospedaliero-Universitaria Careggi, Viale Morgagni, 85, 50134, Florence, Italy, polida@aou-careggi.toscana.it.
Emilia Antonucci
Sophie Testa
Gregory Yoke Hong Lip

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Stroke prevention, achieved with oral anticoagulation therapy (OAT), is central to the management of patients with atrial fibrillation (AF). Well-managed OAT, as reflected by a long time in therapeutic range (TTR), is associated with good clinical outcomes. The SAME-TT2R2 score has been proposed to identify patients who will maintain a high average TTR on vitamin K antagonists (VKA) treatment. The objective of the study was to validate this score in a cohort of AF patients followed by an anticoagulation clinic. We applied the SAME-TT2R2 score to 1,089 patients with AF on VKAs followed by two anticoagulation clinics. The median TTR overall for the whole cohort was 73.0 %. There was a significant decline in mean (or median) TTR in relation to the SAME-TT2R2 score (p = 0.042). When the SAME-TT2R2 scores were categorized we find a TTR 74.0 % for score ≤2 and 68.0 % for score >2 (p = 0.006). The rate of major bleeding events and stroke/TIA was 1.78 × 100 patient-years (pt-yrs) and 1.26 × 100 pt-yrs, respectively. No relationship exists between the SAME-TT2R2 score and adverse events. We describe the first validation of the SAME-TT2R2 score in AF patients where, despite an overall good quality of anticoagulation, the SAME-TT2R2 score is able to identify the patients who are less likely to do well on VKA therapy if this is the chosen OAT.

Indexed as

Patient SelectionAdultAgedAged, 80 and overAnticoagulantsAtrial FibrillationFemaleHumansMaleMiddle AgedProspective StudiesStrokeVitamin KWarfarinAnticoagulantsVitamin KWarfarin

Identifiers

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.