@article{ramanan_moran_ling_burrell_subramaniam_ramanathan_reddy_pilcher_shekar_2026,  title={Validation of PaO<sub>2</sub>:FiO<sub>2</sub> for predicting hospital mortality in critically ill patients with acute hypoxaemic respiratory failure: a retrospective binational registry-based study},  volume={38},  ISSN={2965-2774},  url={https://doi.org/10.62675/2965-2774.20260221},  DOI={10.62675/2965-2774.20260221},  journal={Critical Care Science},  publisher={Associação de Medicina Intensiva Brasileira - AMIB},  author={Ramanan, Mahesh and Moran, Benjamin and Ling, Ryan Ruiyang and Burrell, Aidan and Subramaniam, Ashwin and Ramanathan, Kollengode and Reddy, Mallikarjuna Ponnappa and Pilcher, David and Shekar, Kiran},  year={2026},  pages={e20260221} }