Browsing by Author "Wolkewitz, Martin"

Now showing items 1-6 of 6

    • Absolute mortality risk assessment of COVID-19 patients: the Khorshid COVID Cohort (KCC) study 

      Marateb, Hamid Reza; von Cube, Maja; Samí, Ramin; Javanmard, Shaghayegh Haghjooy; Mansourian Gharakozlou, Marjan; Amra, Babak; Soltaninejad, Forogh; Mortazavi, Mojgan; Adibi, Peyman; Khademi, Nilufar; Hosseini, Nastaran Sadat; Toghyani, Arash; Hassannejad, Razieh; Mañanas Villanueva, Miguel Ángel; Binder, Harald; Wolkewitz, Martin (2021-12-01)
      Article
      Open Access
      Background: Already at hospital admission, clinicians require simple tools to identify hospitalized COVID-19 patients at high risk of mortality. Such tools can significantly improve resource allocation and patient management ...

    • Automatic classification between COVID-19 and Non-COVID-19 pneumonia using symptoms, comorbidities, and laboratory findings : the Khorshid COVID cohort study 

      Marateb, Hamid Reza; Nezhad, Farzad Ziaie; Mohebian, Mohammad Reza; Samí, Ramin; Javanmard, Shaghayegh Haghjooy; Dehghan Niri, Fatemeh; Akafzadeh Savari, Mahsa; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel; Wolkewitz, Martin; Binder, Harald (Frontiers Media SA, 2021-11-18)
      Article
      Open Access
      Coronavirus disease-2019, also known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was a disaster in 2020. Accurate and early diagnosis of coronavirus disease-2019 (COVID-19) is still essential for health ...

    • Methodological biases in observational hospital studies of COVID-19 treatment effectiveness: pitfalls and potential 

      Martinuka, Oksana; Hazard, Derek; Marateb, Hamid Reza; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Rubio Rivas, Manuel; Wolkewitz, Martin (Frontiers Media SA, 2024-03-21)
      Article
      Open Access
      Introduction: This study aims to discuss and assess the impact of three prevalent methodological biases: competing risks, immortal-time bias, and confounding bias in real-world observational studies evaluating treatment ...

    • Reliable diagnosis and prognosis of COVID-19 

      Mansourian Gharakozlou, Marjan; Marateb, Hamid Reza; von Cube, Maja; Khademi, Sadaf; Jordanic, Mislav; Mañanas Villanueva, Miguel Ángel; Binder, Harald; Wolkewitz, Martin (CRC Press, 2021-04-28)
      Part of book or chapter of book
      Restricted access - publisher's policy
      The 2019 novel coronavirus disease (COVID-19) epidemic was officially announced by the World Health Organization (WHO) as an international public health emergency. The medical research world is responding to the COVID-19 ...

    • Target trial emulation using hospital-based observational data: demonstration and application in COVID-19 

      Martinuka, Oksana; von Cube, Maja; Hazard, Derek; Marateb, Hamid Reza; Mansourian Gharakozlou, Marjan; Samí, Ramin; Hajian, Mohammad Reza; Ebrahimi, Sara; Wolkewitz, Martin (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-13)
      Article
      Open Access
      Methodological biases are common in observational studies evaluating treatment effectiveness. The objective of this study is to emulate a target trial in a competing risks setting using hospital-based observational data. ...

    • Target trial emulation with multi-state model analysis to assess treatment effectiveness using clinical COVID-19 data 

      Martinuka, Oksana; Hazard, Derek; Marateb, Hamid Reza; Maringe, Camille; Mansourian Gharakozlou, Marjan; Rubio Rivas, Manuel; Wolkewitz, Martin (Springer Nature, 2023-09-02)
      Article
      Open Access
      Background: Real-world observational data are an important source of evidence on the treatment effectiveness for patients hospitalized with coronavirus disease 2019 (COVID-19). However, observational studies evaluating ...