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  1. Artikel ; Online: Minimally invasive versus conventional sternotomy for aortic valve replacement: A systematic review and meta-analysis.

    Mohamed, Abdalla / Negida, Ahmed / Shaboub, Ahmed

    Clinical medicine (London, England)

    2024  Band 23, Heft Suppl 6, Seite(n) 58–59

    Mesh-Begriff(e) Humans ; Aortic Valve/surgery ; Sternotomy
    Sprache Englisch
    Erscheinungsdatum 2024-01-02
    Erscheinungsland England
    Dokumenttyp Meta-Analysis ; Systematic Review ; Journal Article
    ZDB-ID 2048646-7
    ISSN 1473-4893 ; 1470-2118
    ISSN (online) 1473-4893
    ISSN 1470-2118
    DOI 10.7861/clinmed.23-6-s58
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Sample Size Calculation Guide - Part 7: How to Calculate the Sample Size Based on a Correlation.

    Negida, Ahmed

    Advanced journal of emergency medicine

    2020  Band 4, Heft 2, Seite(n) e34

    Sprache Englisch
    Erscheinungsdatum 2020-02-17
    Erscheinungsland Iran
    Dokumenttyp Journal Article
    ISSN 2588-400X
    ISSN (online) 2588-400X
    DOI 10.22114/ajem.v0i0.344
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Estimation of COVID-19 burden in Egypt.

    Negida, Ahmed

    The Lancet. Infectious diseases

    2020  Band 20, Heft 8, Seite(n) 894–895

    Mesh-Begriff(e) Betacoronavirus ; COVID-19 ; Coronavirus Infections ; Egypt ; Humans ; Influenza A Virus, H1N1 Subtype ; Influenza, Human ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2
    Schlagwörter covid19
    Sprache Englisch
    Erscheinungsdatum 2020-04-27
    Erscheinungsland United States
    Dokumenttyp Letter ; Comment
    ZDB-ID 2061641-7
    ISSN 1474-4457 ; 1473-3099
    ISSN (online) 1474-4457
    ISSN 1473-3099
    DOI 10.1016/S1473-3099(20)30329-7
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Sample Size Calculation Guide - Part 6: How to calculate the sample size for a non-inferiority or an equivalence clinical trial.

    Negida, Ahmed

    Advanced journal of emergency medicine

    2019  Band 4, Heft 1, Seite(n) e15

    Sprache Englisch
    Erscheinungsdatum 2019-11-27
    Erscheinungsland Iran
    Dokumenttyp Journal Article
    ISSN 2588-400X
    ISSN (online) 2588-400X
    DOI 10.22114/ajem.v0i0.302
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Sample Size Calculation Guide - Part 7

    Ahmed Negida

    Advanced Journal of Emergency Medicine (2020)

    How to Calculate the Sample Size Based on a Correlation

    2020  

    Abstract: In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, for a superiority ... ...

    Abstract In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, for a superiority clinical trial, and for a non-inferiority or equivalence clinical trial. In this article, we will explain how to calculate the sample size for a clinical study with the aim of detecting the correlation coefficient between two variables.
    Schlagwörter Medicine ; R
    Sprache Englisch
    Erscheinungsdatum 2020-02-01T00:00:00Z
    Verlag Tehran University of Medical Sciences
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  6. Artikel ; Online: Estimation of COVID-19 burden in Egypt

    Negida, Ahmed

    The Lancet Infectious Diseases

    2020  Band 20, Heft 8, Seite(n) 894–895

    Schlagwörter Infectious Diseases ; covid19
    Sprache Englisch
    Verlag Elsevier BV
    Erscheinungsland us
    Dokumenttyp Artikel ; Online
    ZDB-ID 2061641-7
    ISSN 1474-4457 ; 1473-3099
    ISSN (online) 1474-4457
    ISSN 1473-3099
    DOI 10.1016/s1473-3099(20)30329-7
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel: The Global NeuroSurg Research Collaborative: A Novel Student-Based Model to Expand Global Neurosurgery Research.

    Negida, Ahmed / Raslan, Ahmed M

    Frontiers in surgery

    2021  Band 8, Seite(n) 721863

    Sprache Englisch
    Erscheinungsdatum 2021-10-27
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2773823-1
    ISSN 2296-875X
    ISSN 2296-875X
    DOI 10.3389/fsurg.2021.721863
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel ; Online: Sample Size Calculation Guide - Part 6

    Ahmed Negida

    Advanced Journal of Emergency Medicine (2019)

    How to calculate the sample size for a non-inferiority or an equivalence clinical trial

    2019  

    Abstract: In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, and for a superiority ... ...

    Abstract In the previous educational articles, we explained how to calculate the sample size for a rate or a single proportion, for an independent cohort study, for an independent case-control study, for a diagnostic test accuracy study, and for a superiority clinical trial. In this article, we will explain how to calculate the sample size for a non-inferiority or equivalence clinical trial.
    Schlagwörter Medicine ; R
    Sprache Englisch
    Erscheinungsdatum 2019-11-01T00:00:00Z
    Verlag Tehran University of Medical Sciences
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  9. Artikel ; Online: Comment on Abbas et al. The Safety and Efficacy of Nusinersen in the Treatment of Spinal Muscular Atrophy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

    Aljabali, Ahmed / Abdo, Maha / Negida, Ahmed

    Medicina (Kaunas, Lithuania)

    2022  Band 58, Heft 6

    Abstract: We read with interest the article by Abbas et al. [ ... ]. ...

    Abstract We read with interest the article by Abbas et al. [...].
    Mesh-Begriff(e) Humans ; Muscular Atrophy, Spinal/drug therapy ; Oligonucleotides/adverse effects ; Randomized Controlled Trials as Topic
    Chemische Substanzen Oligonucleotides ; nusinersen (5Z9SP3X666)
    Sprache Englisch
    Erscheinungsdatum 2022-06-06
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article ; Meta-Analysis ; Systematic Review
    ZDB-ID 2188113-3
    ISSN 1648-9144 ; 1010-660X
    ISSN (online) 1648-9144
    ISSN 1010-660X
    DOI 10.3390/medicina58060766
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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