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  1. Article

    Open Access

    Exploring trial publication and research waste in COVID-19 randomised trials of hydroxychloroquine, corticosteroids, and vitamin D: a meta-epidemiological cohort study

    The global research response to the COVID-19 pandemic was impressive, but also led to an infodemic and considerable research waste. Registered, but unpublished trials added to this noise. We aimed to determine...

    Lisa Fincham, Ameer Hohlfeld, Mike Clarke, Tamara Kredo in BMC Medical Research Methodology (2024)

  2. Article

    Open Access

    Infrastructure, policy and regulatory interventions to increase physical activity to prevent cardiovascular diseases and diabetes: a systematic review

    Noncommunicable diseases are major contributors to morbidity and mortality worldwide. Modifying the risk factors for these conditions, such as physical inactivity, is thus essential. Addressing the context or ...

    Solange Durão, Jacob Burns, Bey-Marrié Schmidt, David Tumusiime in BMC Public Health (2023)

  3. Article

    Open Access

    Emerging professional practices focusing on reducing inequity in speech-language therapy and audiology: a sco** review protocol

    Human communication is essential for socialising, learning and working. Disabilities and social disadvantage have serious negative consequences on communication which can impact development from early life int...

    Kristen Abrahams, Rizwana Mallick, Ameer Hohlfeld, Tamzyn Suliaman in Systematic Reviews (2022)

  4. Article

    Open Access

    Sputum colour as a marker for bacteria in acute exacerbations of COPD: protocol for a systematic review and meta-analysis

    Chronic obstructive pulmonary disease (COPD) is a major cause of years of life lost globally. Acute exacerbations of COPD (AECOPD) drive disease progression, reduce quality of life and are a source of mortalit...

    Ruan Spies, Matthew Potter, Ruan Hollamby, Stefan van der Walt in Systematic Reviews (2021)

  5. Article

    Open Access

    Definitions, components and processes of data harmonisation in healthcare: a sco** review

    Data harmonisation (DH) has emerged amongst health managers, information technology specialists and researchers as an important intervention for routine health information systems (RHISs). It is important to u...

    Bey-Marrié Schmidt, Christopher J. Colvin in BMC Medical Informatics and Decision Making (2020)

  6. Article

    Open Access

    Defining and conceptualising data harmonisation: a sco** review protocol

    Data harmonisation is an important intervention to strengthen health systems functioning. It has the potential to enhance the production, accessibility and utilisation of routine health information for clinica...

    Bey-Marrié Schmidt, Christopher J. Colvin, Ameer Hohlfeld in Systematic Reviews (2018)