Evidence map›Paper›PMID 27445518›Full record

ArticleCanadian respiratory journal2016

Identifying Primary Spontaneous Pneumothorax from Administrative Databases: A Validation Study.

Eric Frechette, Keegan Guidolin, Ayman Seyam, Yun-Hee Choi, Sarah Jones, J Andrew McClure, Jennifer Winick-Ng, Blayne Welk, Richard A Malthaner

Open access · goldAbstract readValidation Study
PubMed Full text at PMC Publisher
In one paragraph

Article in Canadian respiratory journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.5field-weighted citation impact, top 29% 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

5 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
  2. Article
  3. An evidence-based review of primary spontaneous pneumothorax in the adolescent population.Journal of the American College of Emergency Physicians open · 2021
    Review
  4. Article
  5. Article
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

9 authors at 2 institutions in 1 country.

Eric FrechetteDivision of Thoracic Surgery, Department of Surgery, Western University, London, ON, Canada N6A 3K7; Department of Epidemiology and Biostatistics, Western University, London, ON, Canada N6A 3K7.
Keegan GuidolinDivision of Thoracic Surgery, Department of Surgery, Western University, London, ON, Canada N6A 3K7.
Ayman SeyamDivision of Thoracic Surgery, Department of Surgery, Western University, London, ON, Canada N6A 3K7.
Yun-Hee ChoiDepartment of Epidemiology and Biostatistics, Western University, London, ON, Canada N6A 3K7.
Sarah JonesDivision of Pediatric Surgery, Department of Surgery, Western University, London, ON, Canada N6A 3K7.
J Andrew McClureLondon Health Sciences Centre, London, ON, Canada N6A 5W9.
Jennifer Winick-NgLondon Health Sciences Centre, London, ON, Canada N6A 5W9.
Blayne WelkDepartment of Epidemiology and Biostatistics, Western University, London, ON, Canada N6A 3K7; Division of Urology, Department of Surgery, Western University, London, ON, Canada N6A 3K7.
Richard A MalthanerDivision of Thoracic Surgery, Department of Surgery, Western University, London, ON, Canada N6A 3K7; Department of Epidemiology and Biostatistics, Western University, London, ON, Canada N6A 3K7.
Western University · CALondon Health Sciences Centre · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction. Primary spontaneous pneumothorax (PSP) is a disorder commonly encountered in healthy young individuals. There is no differentiation between PSP and secondary pneumothorax (SP) in the current version of the International Classification of Diseases (ICD-10). This complicates the conduct of epidemiological studies on the subject. Objective. To validate the accuracy of an algorithm that identifies cases of PSP from administrative databases. Methods. The charts of 150 patients who consulted the emergency room (ER) with a recorded main diagnosis of pneumothorax were reviewed to define the type of pneumothorax that occurred. The corresponding hospital administrative data collected during previous hospitalizations and ER visits were processed through the proposed algorithm. The results were compared over two different age groups. Results. There were 144 cases of pneumothorax correctly coded (96%). The results obtained from the PSP algorithm demonstrated a significantly higher sensitivity (97% versus 81%, p = 0.038) and positive predictive value (87% versus 46%, p < 0.001) in patients under 40 years of age than in older patients. Conclusions. The proposed algorithm is adequate to identify cases of PSP from administrative databases in the age group classically associated with the disease. This makes possible its utilization in large population-based studies.

Indexed as

PneumothoraxAdultAlgorithmsHumansMiddle AgedPatient Discharge SummariesRetrospective Studies

Identifiers

PMID27445518
PMCPMC4916287
OpenAlexW2418617356

What OpenQuestion holds

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LicenceCC BY
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.