Evidence map›Paper›PMID 33071210›Full record

ArticleJournal of infection and public health2020

A new parameter in COVID-19 pandemic: initial lactate dehydrogenase (LDH)/Lymphocyte ratio for diagnosis and mortality.

Istemi Serin, Nagehan Didem Sari, Mehmet Hilmi Dogu, Sakine Damla Acikel, Gulnıhal Babur, Avni Ulusoy, Mediha Irem Onar, Emre Cem Gokce, Oguz Altunok, Feyza Yaylaci Mert and 3 more

Open access · goldAbstract read
In one paragraph

Article in Journal of infection and public health, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 2 pooled it
0.5field-weighted citation impact, top 20% 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

13 citing papers in PubMed, 2 syntheses or guidelines pooled it, 26 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Observational
  5. Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. Article
  11. Article
  12. Review
  13. Coronary heart disease and COVID-19: A meta-analysis.Medicina clinica (English ed.) · 2021
    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

13 authors at 3 institutions in 2 countries.

Istemi SerinUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Hematology, Fatih, Turkey. Electronic address: serinistemi@hotmail.com.
Nagehan Didem SariUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Infectious Diseases and Clinical Microbiology, Turkey.
Mehmet Hilmi DoguUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Hematology, Fatih, Turkey.
Sakine Damla AcikelUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Gulnıhal BaburUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Avni UlusoyUniversity of Health Sciences, Bagcilar Training and Research Hospital, Department of Internal Medicine, Turkey.
Mediha Irem OnarUniversity of Health Sciences, Bagcilar Training and Research Hospital, Department of Internal Medicine, Turkey.
Emre Cem GokceUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Oguz AltunokUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Feyza Yaylaci MertUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Ayse KarakilicUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Muhammed BaltikUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Begum GulesirUniversity of Health Sciences, Istanbul Training and Research Hospital, Department of Internal Medicine, Turkey.
Sağlık Bilimleri Üniversitesi · TRFatih University · TRMinistry of Health · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCOVID-19 (Coronavirus Disease-2019) is a pandemic disease, infecting more than 26.5 million people. Since there is no specific and effective treatment; early diagnosis and optimal isolation of the patient are of vital importance. Real-time polymerase chain reaction-based (RT-PCR) analyses do not achieve sufficient sensitivity in the diagnosis of the disease.

methodsThe data from 2217 patients diagnosed as COVID-19 between March 2020 and June 2020 and hospitalized or discharged with home isolation were retrospectively analyzed. Demographic data, comorbidities, PCR results, initial computed tomography (CT), laboratory values, Lactate Dehydrogenase (LDH)/Lymphocyte ratio, initial treatments and last status were recorded. The diagnostic sensitivity of LDH/Lymphocyte ratio, which is the main purpose of the study, was analyzed statistically.

resultsIn order to test the effectiveness of LDH/Lymphocyte ratio for COVID-19 for diagnostic purposes, CT results were considered as gold standard. The area under the curve (AUC) was found to be 0.706 (p < 0.001; cut-off > 0.06) (Sensitivity: 76.4, specificity: 59.60). For the evaluation of LDH/Lymphocyte ratio in terms of survival, AUC was found to be 0.749 (p < 0.001; cut-off > 0.21) (Sensitivity: 70.59, specificity: 73.88).

conclusionStudies based on radiological findings have demonstrated that CT involvement has higher sensitivity. LDH/Lymphocyte ratio was analyzed in terms of diagnosis and mortality with using specific CT involvement as gold standard method which was found to be a more sensitive due to PCR false negativity; 0.06 and 0.21 were obtained as cut off values for diagnosis and mortality.

Indexed as

AdolescentAdultAgedAged, 80 and overAntiviral AgentsArea Under CurveBetacoronavirusClinical Laboratory TechniquesCoronavirus InfectionsCOVID-19COVID-19 TestingCOVID-19 VaccinesFemaleHumansL-Lactate DehydrogenaseLymphocyte CountAntiviral AgentsCovid-19 aAPC vaccineCOVID-19 VaccinesL-Lactate DehydrogenaseCOVID- 19DiagnosisLDH/Lymphocyte ratioMortalitySensitivity

Identifiers

PMID33071210
PMCPMC7526632
OpenAlexW3089750889

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.