Evidence map›Paper›PMID 24487717›Full record

ArticleJournal of the American Heart Association2014

Hospital variation in survival after in-hospital cardiac arrest.

Raina M Merchant, Robert A Berg, Lin Yang, Lance B Becker, Peter W Groeneveld, Paul S Chan, American Heart Association's Get With the Guidelines-Resuscitation Investigators

Abstract readComparative StudyMulticenter Study
In one paragraph

Article in Journal of the American Heart Association, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed, 1 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

64 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Survival after in-hospital cardiac arrest among cerebrovascular disease patients.Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2018
    Pooled it
  2. Trial
  3. Trial
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  8. The competency of nurses in basic life support at district hospitals in Cape Town, South Africa.South African family practice : official journal of the South African Academy of Family Practice/Primary Care · 2025
    Observational
  9. Race and Resuscitation: Taking the Next Steps.Journal of the American Heart Association · 2025
    Article
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  11. Review
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4 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Raina M MerchantDepartment of Emergency Medicine, University of Pennsylvania, Philadelphia, PA.
Robert A Berg
Lin Yang
Lance B Becker
Peter W Groeneveld
Paul S Chan
American Heart Association's Get With the Guidelines-Resuscitation Investigators

Funding

Understanding the drivers of hospital performance for in-hospital cardiac arrestK23HL109083 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI MERCHANT, RAINA · 2011 to 2015
$692k
The Appropriateness Criteria for Coronary Revascularization: Feasibility of MeasuK23HL102224 · NHLBI · SAINT LUKE'S HOSPITAL · PI CHAN, PAUL SHEUNG-YAN · 2010 to 2014
$610k
NHLBI NIH HHS K23 HL102224NHLBI NIH HHS K23HL102224NHLBI NIH HHS K23 HL109083PHS HHS K23-10714038
6 · The paper itself

Abstract

backgroundIn-hospital cardiac arrest (IHCA) is common and often fatal. However, the extent to which hospitals vary in survival outcomes and the degree to which this variation is explained by patient and hospital factors is unknown. METHODS AND

resultsWithin Get with the Guidelines-Resuscitation, we identified 135 896 index IHCA events at 468 hospitals. Using hierarchical models, we adjusted for demographics comorbidities and arrest characteristics (eg, initial rhythm, etiology, arrest location) to generate risk-adjusted rates of in-hospital survival. To quantify the extent of hospital-level variation in risk-adjusted rates, we calculated the median odds ratio (OR). Among study hospitals, there was significant variation in unadjusted survival rates. The median unadjusted rate for the bottom decile was 8.3% (range: 0% to 10.7%) and for the top decile was 31.4% (28.6% to 51.7%). After adjusting for 36 predictors of in-hospital survival, there remained substantial variation in rates of in-hospital survival across sites: bottom decile (median rate, 12.4% [0% to 15.6%]) versus top decile (median rate, 22.7% [21.0% to 36.2%]). The median OR for risk-adjusted survival was 1.42 (95% CI: 1.37 to 1.46), which suggests a substantial 42% difference in the odds of survival for patients with similar case-mix at similar hospitals. Further, significant variation persisted within hospital subgroups (eg, bed size, academic).

conclusionSignificant variability in IHCA survival exists across hospitals, and this variation persists despite adjustment for measured patient factors and within hospital subgroups. These findings suggest that other hospital factors may account for the observed site-level variations in IHCA survival.

Indexed as

Cardiopulmonary ResuscitationHospitalsInpatientsAdolescentAdultAgedAged, 80 and overFemaleHeart ArrestHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisOdds RatioOutcome and Process Assessment, Health Carecardiac arrestcardiopulmonary resuscitationheart arrestresuscitation

Identifiers

PMID24487717
PMCPMC3959682

What OpenQuestion holds

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Registered trials

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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.