Saeed 2015.

Methods	Not stated if this was an RCT, parallel‐group design. Single‐centre study
Participants	Total number of participants: 85 Setting: respiratory ICU, Egypt Inclusion criteria: COPD; type II respiratory failure; admitted to respiratory ICU Exclusion criteria: none reported
Interventions	Intervention group (HFNC): n = 25 Control group (standard oxygen therapy): Venturi face mask; n = 20
Outcomes	All outcomes reported: ABG variables, successful weaning, treatment failure Outcomes relevant to this review: ABG; treatment failure; successful weaning
Notes	Contact: Adel Saeed, Pulmonary Medicine, Ain Shams University, Abbasia, Cairo Egypt 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.