Time to intubation with McGrath ™ videolaryngoscope versus direct laryngoscope in powered air-purifying respirator: a randomised controlled trial.

"Conflicts of interest There are no conflicts of interest."

"Financial support and sponsorship The study was funded by Singapore General Hospital Division of Anaesthesiology and Perioperative Medicine COVID-19 Funding."

"This study is a non-blinded randomised clinical trial conducted in Singapore General Hospital, a tertiary acute care academic hospital, from June 2020 to July 2020. The SingHealth Centralised Institutional Review Board granted ethical approval (IRB Ref.: 2020/2329) for this study on 30 April 2020. This trial was registered with ClinicalTrials.gov (identifier: NCT04424953). Study team members obtained signed written informed consent from participants during their assessment in the Preanaesthesia Assessment Clinic. The attending anaesthetists provided signed written consent before induction of anaesthesia."