Evidence map›Paper›PMID 27565068›Full record

ArticleThe Journal of surgical research2016

Relative impact of surgeon and hospital volume on operative mortality and complications following pancreatic resection in Medicare patients.

Hemalkumar B Mehta, Abhishek D Parmar, Deepak Adhikari, Nina P Tamirisa, Francesca Dimou, Daniel Jupiter, Taylor S Riall

Abstract read
In one paragraph

Article in The Journal of surgical research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 4 pooled it
1.9field-weighted citation impact, top 13% 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

12 citing papers in PubMed, 4 syntheses or guidelines pooled it, 30 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  4. The Impact of Surgeon Volume on Outcomes After Pancreaticoduodenectomy: a Meta-analysis.Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2017
    Pooled it
  5. Review
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  8. Interaction of Surgeon Volume and Nurse-to-Patient Ratio on Post-operative Outcomes of Medicare Beneficiaries Following Pancreaticoduodenectomy.Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 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 3 institutions in 1 country.

Hemalkumar B MehtaDepartment of Surgery, University of Texas Medical Branch, Galveston, Texas. Electronic address: hbmehta@utmb.edu.
Abhishek D ParmarDepartment of Surgery, University of California, Oakland, California.
Deepak AdhikariDepartment of Surgery, University of Texas Medical Branch, Galveston, Texas; Office of Biostatistics, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas.
Nina P TamirisaDepartment of Surgery, University of Texas Medical Branch, Galveston, Texas.
Francesca DimouDepartment of Surgery, University of Texas Medical Branch, Galveston, Texas; Department of Surgery, University of South Florida, Tampa, Florida.
Daniel JupiterDepartment of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas.
Taylor S RiallDepartment of Surgery, University of Arizona, College of Medicine-Tucson, Tucson, Arizona.
The University of Texas Medical Branch at Galveston · USUniversity of Arizona · USUniversity of South Florida · US

Funding

UTMB Clinical and Translational Science AwardUL1TR001439 · NCATS · UNIVERSITY OF TEXAS MED BR GALVESTON · PI URBAN, RANDALL J · 2015 to 2024
$40.0M
UTMB Clinical and Translational Science AwardUL1TR000071 · NCATS · UNIVERSITY OF TEXAS MED BR GALVESTON · PI BRASIER, ALLAN R. · 2012 to 2014
$14.4M
Patient Centered Outcomes Research in the ElderlyR24HS022134 · AHRQ · UNIVERSITY OF TEXAS MED BR GALVESTON · PI GOODWIN, MD, JAMES S. · 2013 to 2017
$4.8M
SURGICAL TRAINING IN GASTROINTESTINAL ENDOCRINOLOGYT32DK007639 · NIDDK · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI RADHAKRISHNAN, RAVI S. · 1992 to 2022
$3.6M
AHRQ HHS R24 HS022134NCATS NIH HHS UL1 TR000071NCATS NIH HHS UL1 TR001439NIDDK NIH HHS T32 DK007639
6 · The paper itself

Abstract

backgroundSurgeon and hospital volume are both known to affect outcomes for patients undergoing pancreatic resection. The objective was to evaluate the relative effects of surgeon and hospital volume on 30-d mortality and 30-d complications after pancreatic resection among older patients. MATERIALS AND

methodsThe study used Texas Medicare data (2000-2012), identifying high-volume surgeons as those performing ≥4 pancreatic resections/year, and high-volume hospitals as those performing ≥11 pancreatic resections/year, on Medicare patients. Three-level hierarchical logistic regression models were used to evaluate the relative effects of surgeon and hospital volumes on mortality and complications, after adjusting for case mix differences.

resultsThere were 2453 pancreatic resections performed by 490 surgeons operating in 138 hospitals. Of the total, 4.5% of surgeons and 6.5% of hospitals were high volume. The overall 30-d mortality was 9.0%, and the 30-d complication rate was 40.6%. Overall, 8.9% of the variance in 30-d mortality was attributed to surgeon factors and 9.8% to hospital factors. For 30-d complications, 4.7% of the variance was attributed to surgeon factors and 1.2% to hospital factors. After adjusting for patient, surgeon, and hospital characteristics, high surgeon volume (odds ratio [OR] = 0.54, 95% confidence interval [CI], 0.33-0.87) and high hospital volume (OR = 0.52; 95% CI, 0.30-0.92) were associated with lower risk of mortality; high surgeon volume (OR = 0.71, 95% CI, 0.55-0.93) was also associated lower risk of 30-d complications.

conclusionsBoth hospital and surgeon factors contributed significantly to the observed variance in mortality, but only surgeon factors impacted complications.

Indexed as

AgedAged, 80 and overFemaleHospitalsHumansLogistic ModelsMaleMedicarePancreatectomyPostoperative ComplicationsRetrospective StudiesSurgeonsTexasUnited StatesComplicationsHospital volumeMortalityMultilevel modelsPancreatic resectionSurgeon volume

Identifiers

PMID27565068
PMCPMC5002309
OpenAlexW2354231790

What OpenQuestion holds

Textmetadata
LicenceTDM
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.