Evidence map›Paper›PMID 30907993›Full record

Observational studyCanadian journal of surgery. Journal canadien de chirurgie2019

Effect of predicted travel time to trauma care on mortality in major trauma patients in Nova Scotia

Gavin Tansley, Nadine Schuurman, Matthew Bowes, Mete Erdogan, Robert Green, Mark Asbridge, Natalie Yanchar

Open access · bronzeAbstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in Canadian journal of surgery. Journal canadien de chirurgie, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
6.5field-weighted citation impact, top 3% of its field
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

22 citing papers in PubMed, 43 citations in OpenAlex.

  1. Trial
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  8. Locating helicopter ambulance bases in Iceland: efficient and fair solutions.Scandinavian journal of trauma, resuscitation and emergency medicine · 2023
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  19. Characteristics and outcomes of patients admitted to regional and rural intensive care units in Australia.Critical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine · 2020
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Gavin TansleyFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Nadine SchuurmanFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Matthew BowesFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Mete ErdoganFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Robert GreenFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Mark AsbridgeFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Natalie YancharFrom the Department of Surgery, Dalhousie University, Halifax, NS (Tansley); the Department of Geography, Simon Fraser University, Burnaby, BC (Schuurman); the Nova Scotia Medical Examiner Service, Dartmouth, NS (Bowes); Trauma Nova Scotia, Nova Scotia Department of Health and Wellness, Halifax, NS (Erdogan, Green); the Department of Critical Care, Dalhousie University, Halifax, NS (Green); the Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS (Asbridge); and the Department of Surgery, University of Calgary, Calgary, Alta. (Yanchar).
Dalhousie University · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Trauma is a leading contributor to the burden of disease in Canada, accounting for more than 15 000 deaths annually. Although caring for injured patients at designated trauma centres (TCs) is consistently associated with survival benefits, it is unclear how travel time to definitive care influences outcomes. Using a population-based sample of trauma patients, we studied the association between predicted travel time (PTT) to TCs and mortality for patients assigned to ground transport. Methods: Victims of penetrating trauma or motor vehicle collisions (MVCs) in Nova Scotia between 2005 and 2014 were identified from a provincial trauma registry. We conducted cost distance analyses to quantify PTT for each injury location to the nearest TC. Adjusted associations between TC access and injury-related mortality were then estimated using logistic regression. Results: Greater than 30 minutes of PTT to a TC was associated with a 66% increased risk of death for MVC victims (p = 0.045). This association was lost when scene deaths were excluded from the analysis. Sustaining a penetrating trauma greater than 30 minutes from a TC was associated with a 3.4-fold increase in risk of death. Following the exclusion of scene deaths, this association remained and approached significance (odds ratio 3.48, 95% confidence interval 0.98–14.5, p = 0.053). Conclusion: Predicted travel times greater than 30 minutes were associated with worse outcomes for victims of MVCs and penetrating injuries. Improving communication across the trauma system and reducing prehospital times may help optimize outcomes for rural trauma patients.

Indexed as

Accidents, TrafficAdultAgedAmbulancesCosts and Cost AnalysisFemaleHospital MortalityHumansInjury Severity ScoreLogistic ModelsMaleMiddle AgedNova ScotiaRegistriesSpatio-Temporal AnalysisTime Factors

Identifiers

PMID30907993
PMCPMC6440889
OpenAlexW2924826731

What OpenQuestion holds

Textmetadata
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.