Is inspired oxygen in neonates on bubble CPAP truly reliable? Evidence from an observational study in Hanoi, Vietnam

Hien Thi Thu. Vu, Karolinska Institutet, Stockholm, Stockholms Lan, Sweden; Mårten Larsson, Sahlgrenska Academy, Gothenburg University, Göteborg, Vastra Gotaland, Sweden; Vy Tran, University of Medicine and Pharmacy, Vietnam National University, Ha Noi, Ha Noi, Vietnam; Ngoc Anh Tran, University of Medicine and Pharmacy, Vietnam, Ha Noi, Ha Noi, Vietnam; Huong Lien. Nguyen, Ha Noi Obstetrics and Gynecology Hospital, Ha Noi, Ha Noi, Vietnam; Linh Thi. Nguyen, Ha Noi Obstetric and Gynecology, Ha Noi, Ha Noi, Vietnam; Tobias Alfvén, Karolinska Institutet, Stockholm, Stockholms Lan, Sweden; Nicolas J. Pejovic, Karorlinska Institutet, Stockholm, Stockholms Lan, Sweden; Susanna Myrnerts Höök, Sachs' Children and Youth Hospital, Stockholm, Sweden Department of Global Public Health, Karolinska Institutet,Stockholm, Sweden Sachs' Children and Youth Hospital, Stockholm, Sweden, Stockholm, Stockholms Lan, Sweden; Thomas Drevhammar, Karolinska Institutet, Östersund, Jamtlands Lan, Sweden