Search strategy dataset

The search strategy was used to select randomised control trial articles from three databases, MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information, EMBASE (Excerpta Medica dataBASE) and CINAHL (Cumulated Index to Nursing and Allied Health Literature) from six critical care journals, American journal of respiratory & critical care medicine, Lancet respiratory medicine, Chest, Critical care medicine and Intensive care medicine. This dataset is embargoed until 31 July 2025.