References
- Rawat M, Chandrasekharan PK, Williams A, et al. Oxygen saturation index and severity of hypoxic respiratory failure. Neonatology. 2015;107:161–6.
- Thomas NJ, Shaffer ML, Willson DF, et al. Defining acute lung disease in children with the oxygenation saturation index. Pediatric critical care medicine. 2010; 11:12–7.
- Bilan N, Dastranji A, Behbahani AG. Comparison of the spo2/fio2 ratio and the pao2/fio2 ratio in patients with acute lung injury or acute respiratory distress syndrome. Journal of cardiovascular and thoracic research. 2015;7:28.
- Brown SM, Duggal A, Hou PC, et al. Nonlinear imputation of PaO2/FIO2 from SpO2/FIO2 among mechanically ventilated patients in the ICU: a prospective, observational study. Critical care medicine. 2017;45:1317–24.
- Muniraman HK, Song AY, Ramanathan R, et al. Evaluation of oxygen saturation index compared with oxygenation index in neonates with hypoxemic respiratory failure. JAMA network open. 2019;2:e191179.
- Chen WL, Lin WT, Kung SC, et al. The value of oxygenation saturation index in predicting the outcomes of patients with acute respiratory distress syndrome. Journal of clinical medicine. 2018;7:205.
- Ahmed R, Azim A, Nangialay A, et al. Frequency of pediatric acute respiratory distress syndrome based on oxygen saturation index in pediatric intensive care unit of a developing country. Cureus. 2019;11:e6444.
- Tricco AC, Lillie E, Zarin W, et al. PRISMA extension for scoping reviews (PRISMA-ScR): checklist and explanation. Annals of internal medicine. 2018;169:467–73.
- Talari K, Goyal M. Retrospective studies–utility and caveats. Journal of the Royal College of Physicians of Edinburgh. 2020;50:398–402.
- Rice TW, Wheeler AP, Bernard GR, et al. Network AR, National Institutes of Health. Comparison of the SpO2/FIO2 ratio and the PaO2/FIO2 ratio in patients with acute lung injury or ARDS. Chest. 2007;132:410–7.
- Khemani RG, Patel NR, Bart III RD, et al. Comparison of the pulse oximetric saturation/fraction of inspired oxygen ratio and the PaO2/fraction of inspired oxygen ratio in children. Chest. 2009;135:662–8.
- Spada C, Gandhi R, Patel SR, et al. Oxygen saturation/fraction of inspired oxygen ratio is a simple predictor of noninvasive positive pressure ventilation failure in critically ill patients. Journal of critical care. 2011;26:510–6.
- Pons-Odena M, Palanca D, Modesto V, et al. SpO2/FiO2 as a predictor of non-invasive ventilation failure in children with hypoxemic respiratory insufficiency. Journal of pediatric intensive care. 2013;2:111–9.
- Festic E, Bansal V, Kor DJ, et al. US Critical Illness and Injury Trials Group: Lung Injury Prevention Study Investigators (USCIITG–LIPS). SpO2/FiO2 ratio on hospital admission is an indicator of early acute respiratory distress syndrome development among patients at risk. Journal of intensive care medicine. 2015;30:209–16.
- Oer-areemitr N, Piyavechviratana K. Correlation of SpO 2/FiO 2 Ratio and PaO 2/FiO 2 Ratio in Hypoxemic Patient While Breathing in Room Air. Journal of the Medical Association of Thailand. 2018;101:1365.
- Kim GE, Choi SH, Park M, et al. SpO2/FiO2 as a predictor of high flow nasal cannula outcomes in children with acute hypoxemic respiratory failure. Scientific Reports. 2021;11:13439.
- Lohano PD, Baloch SH, Gowa MA, et al. Correlation between the ratio of oxygen saturation to fraction of inspired oxygen and the ratio of partial pressure of oxygen to fraction of inspired oxygen in detection and risk stratification of pediatric acute respiratory distress syndrome. Cureus. 2021;13.e18353.
- Kim JH, Suh DI, Park JD. S/F and ROX indices in predicting failure of high-flow nasal cannula in children. Pediatrics International. 2022;64:e15336.
- Todur P, Nileshwar A, Chaudhuri S, et al. Utility of Pulse Oximetry Oxygen Saturation (SpO2) with Incorporation of Positive End-Expiratory Pressure (SpO2∗ 10/FiO2∗ PEEP) for Classification and Prognostication of Patients with Acute Respiratory Distress Syndrome. Critical Care Research and Practice. 2022;2022:7871579.
- Shah N, Sarangi BU, Shankar GH, et al. Comparison of PaO2/FiO2 (PF ratio) to SpO2/FiO2 (SF ratio) and OI to OSI for Predicting Short Term Outcomes in Children with Acute Hypoxemic Respiratory Distress: A Prospective Observational Study. Indian Journal of Pediatrics. 2024;7:1–7.
- Alur TR, Iyer SS, Shah JN, et al. A prospective observational study comparing oxygen saturation/fraction of inspired oxygen ratio with partial pressure of oxygen in arterial blood/fraction of inspired oxygen ratio among critically ill patients requiring different modes of oxygen supplementation in intensive care unit. Indian Journal of Critical Care Medicine: Peer-reviewed, Official Publication of Indian Society of Critical Care Medicine. 2024;28:251.
- Muniraman HK, Kibe R, Namjoshi A, et al. Evaluation of correlation and agreement between SpO2/FiO2 ratio and PaO2/FiO2 ratio in neonates. Journal of Pediatric Intensive Care. 2022;04:267–358.
- Zhang G, Burla MJ, Caesar BB, et al. Emergency Department SpO2/FiO2 Ratios Correlate with Mechanical Ventilation and Intensive Care Unit Requirements in COVID-19 Patients. Western Journal of Emergency Medicine. 2024;25:325.
- Ruangsomboon O, Jirathanavichai S, Phanprasert N, et al. Ratio of Oxygen Saturation to Inspired Oxygen, ROX Index, Modified ROX Index to Predict High Flow Cannula Success in COVID-19 Patients: Multicenter Validation Study. Western Journal of Emergency Medicine. 2023;24:511.
- Sakai K, Okoda K, Nishii M, et al. Combining blood glucose and SpO2/FiO2 ratio facilitates prediction of imminent ventilatory needs in emergency room COVID-19 patients. Scientific Reports. 2023;13:22718.
- Kim JH, Baek AR, Lee SI, et al. ROX index and SpO2/FiO2 ratio for predicting high-flow nasal cannula failure in hypoxemic COVID-19 patients: a multicenter retrospective study. PLoS One. 2022;17:e0268431.
- Bonaventura A, Mumoli N, Mazzone A, et al. Correlation of SpO2/FiO2 and PaO2/FiO2 in patients with symptomatic COVID-19: an observational, retrospective study. Internal and Emergency Medicine. 2022;17:1769–75.
- Catoire P, Tellier E, de La Rivière C, et al. Assessment of the SpO2/FiO2 ratio as a tool for hypoxemia screening in the emergency department. The American journal of emergency medicine. 2021;44:116–20.
- Alberdi-Iglesias A, Martín-Rodríguez F, Ortega Rabbione G, et al. Role of SpO2/FiO2 ratio and ROX index in predicting early invasive mechanical ventilation in COVID-19. A pragmatic, retrospective, multi-center study. Biomedicines. 2021;9:1036.
- Lu X, Jiang L, Chen T, et al. Continuously available ratio of SpO 2/FiO 2 serves as a noninvasive prognostic marker for intensive care patients with COVID-19. Respiratory Research. 2020;21:1–4.
- Tripathi RS, Blum JM, Rosenberg AL, et al. Pulse oximetry saturation to fraction inspired oxygen ratio as a measure of hypoxia under general anesthesia and the influence of positive end-expiratory pressure. Journal of critical care. 2010;25:542–e9.
- Bashar FR, Vahedian-Azimi A, Farzanegan B, et al. Comparison of non-invasive to invasive oxygenation ratios for diagnosing acute respiratory distress syndrome following coronary artery bypass graft surgery: a prospective derivation-validation cohort study. Journal of cardiothoracic surgery. 2018;13:1–8.
- Neto AS, Cardoso SO, Ong DS, et al. The use of the pulse oximetric saturation/fraction of inspired oxygen ratio for risk stratification of patients with severe sepsis and septic shock. Journal of critical care. 2013;28:681–6.
- Domaradzki L, Ghahramani M, Rogers R, et al. SpO2/FiO2 on Presentation as a predictor for early hemodynamic deterioration in intermediate risk acute pulmonary embolism. Respiratory care. 2019;64:1279–85.
- Beniwal R, Batra P, Bhaskar V, et al. SpO2/FiO2 and PaO2/FiO2 for Predicting Intensive Care Admission in Wheezy Children: An Observational Study. Indian Pediatrics. 2024;61:632–6.
- Koyauchi, T, Yasui, H, Enomoto N, et al. Pulse oximetric saturation to fraction of inspired oxygen (SpO2/FIO2) ratio 24 hours after high-flow nasal cannula (HFNC) initiation is a good predictor of HFNC therapy in patients with acute exacerbation of interstitial lung disease. Therapeutic Advances in Respiratory Disease. 2020;14: 1–11.
- Lobete C, Medina A, Rey C, et al. Correlation of oxygen saturation as measured by pulse oximetry/fraction of inspired oxygen ratio with Pao2/fraction of inspired oxygen ratio in a heterogeneous sample of critically ill children. Journal of critical care. 2013;28:538–e1.
- Schmidt MF, Gernand J, Kakarala R. The use of the pulse oximetric saturation to fraction of inspired oxygen ratio in an automated acute respiratory distress syndrome screening tool. Journal of critical care. 2015;30:486–90.
- Patel S, Singh G, Zarbiv S, et al. Mortality prediction using SaO2/FiO2 ratio based on eICU database analysis. Critical care research and practice. 2021; 2021: 6672603
- Ahmed Z, Naz F, RAZA AB, et al. Correlation of Pao2/Fio2 Ratio with Spo2/Fio2 Ratio in Children on Mechanical Ventilation. PJMH S. 2021;15:3.
- Choi SH, Kim DY, Song BY, et al. Analysis of ROX Index, ROX-HR Index, and SpO2/FiO2 Ratio in Patients Who Received High-Flow Nasal Cannula Oxygen Therapy in Pediatric Intensive Care Unit. Journal of Korean Academy of Nursing. 2023;53:468–79.