Validity of ultrasound in predicting acute appendicitis among children, keeping histopathology as gold standard: Methodological issues.

Roya Karimi, Leila Mounesan, Jamal Rahmani, Siamak Sabour

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Article in Annals of medicine and surgery (2012), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

What it found

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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

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4 · The record

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5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Roya KarimiDepartment of Clinical Epidemiology, School of Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Leila MounesanDepartment of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran.

Jamal RahmaniDepartment of Community Nutrition, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Siamak SabourDepartment of Clinical Epidemiology, School of Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Pasteur Institute of Iran · IRNational Nutrition and Food Technology Research Institute · IRShahid Beheshti University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

•It is good to know that sensitivity is an important measure in public health aspects instead of clinical fields. Likewise, PPV and NPV are among the measures which are more appropriate for advice about the validity of a diagnostic test for clinical purposes.•It is critically important to consider that accurate diagnosis is very important in appendicitis because of the urgent need for surgery in people who are truly positive, likewise, operating surgery for people who are not truly positive will have inconvenient effects.•Finally, for the prediction of an outcome, we need data from two different cohorts or at least from one cohort divided into two to first to develop a prediction model and subsequently validate it.•To make our methodological comments brief, it is crucial to know that to determine the validity and predictive ability of ultrasound in predicting acute appendicitis among children, methodological and statistical issues should be correctly taken into account.

Indexed as

Acute appendicitisHistopathologyMethodological issuesUltrasoundValidity

Identifiers

PMID31388416

DOI10.1016/j.amsu.2019.05.018

PMCPMC6667739

OpenAlexW2949930013

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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.