Evidence map›Paper›PMID 34562516›Full record

ArticleJournal of virological methods2021

Performance evaluation of automated chemiluminescence immunoassay based antigen detection - Moving towards more reliable ways to predict SARS-CoV-2 infection.

Diptanu Paul, Akshita Gupta, Sheetalnath Rooge, Ekta Gupta

Abstract read
In one paragraph

Article in Journal of virological methods, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 3 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

10 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Rapid, point-of-care antigen tests for diagnosis of SARS-CoV-2 infection.The Cochrane database of systematic reviews · 2025
    Pooled it
  2. The Infectious Diseases Society of America Guidelines on the Diagnosis of COVID-19: Antigen Testing (January 2023).Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2024
    Guideline
  3. Pooled it
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  5. Review
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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

4 authors.

Diptanu PaulDepartment of Clinical Virology, Institute of Liver & Biliary Sciences, New Delhi, India. Electronic address: dr.dip.dp@gmail.com.
Akshita GuptaDepartment of Clinical Virology, Institute of Liver & Biliary Sciences, New Delhi, India. Electronic address: akshitagupta1412@gmail.com.
Sheetalnath RoogeDepartment of Clinical Virology, Institute of Liver & Biliary Sciences, New Delhi, India. Electronic address: sheetalnath.rooge@gmail.com.
Ekta GuptaDepartment of Clinical Virology, Institute of Liver & Biliary Sciences, New Delhi, India. Electronic address: ektagaurisha@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Real-time reverse transcription- polymerase chain reaction (RT-PCR) has been the most reliable armoury for the diagnosis of COVID-19, considered to be the reference standard but fails to reproduce the correct predictability about the infectivity of the disease every time. Antigen detection however puts foothold in this aspect even though lacks in sensitivity, especially conventional Rapid Antigen Tests (RATs). Recently developed Chemiluminescence Immunoassay (CLIA) based antigen detection tests are promising and displayed better sensitivity. In the current study we have evaluated VITROS® SARS-CoV-2 Ag Test CLIA Kit, which was tested on 148 patient's samples attended to a tertiary care centre for testing of SARS-CoV-2. The performance of the kit was evaluated in comparison to RT-PCR and RAT and found to be a good test for antigen detection, best within the first few days of infection. The test has shown sensitivity of 94.3 % and specificity of 100 % in samples with corresponding Ct values of ≤25 by RT-PCR, which corresponds to high viral load and can predict ability of spreading the disease by the patients. With the results being semiquantitative along with improved sensitivity it can replace RATs for antigen detection for screening, provided good laboratory set up is included under consideration.

Indexed as

COVID-19HumansImmunoassayLuminescenceSARS-CoV-2Sensitivity and SpecificityAntigen detectionAutomatedChemiluminescence immunoassay (CLIA)COVID-19InfectivitySARS-CoV-2

Identifiers

PMID34562516
PMCPMC8457631

What OpenQuestion holds

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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.