Tseng 2019.

Methods	RCT, parallel‐group design. Single‐centre study
Participants	Total number of participants: 40 Setting: stepdown unit for weaning, Taiwan Inclusion criteria: prolonged MV (> 14 days); ready for weaning Exclusion criteria: neuromuscular disorder, central respiratory drive disorders, tracheostomy; do‐not‐resuscitate order.
Interventions	Intervention group: (HFNC) Control group: (NIV)
Outcomes	All outcomes reported: reintubation rate; in‐hospital mortality; length of NIV; physiologic variables (PaO2/FiO2 and PaCO2) Outcomes relevant to this review: reintubation rate; in‐hospital mortality; PaO2/FiO2 and PaCO2
Notes	Contact: Chi‐Wei Tseng, kiwitseng724@gmail.com Currently published only as an abstract. We are awaiting publication of the full report in order to assess eligibility, collect sufficient study characteristics, and include data in the review.