Comparison of ROX, HROX, and delta-HR indices to predict successful weaning from high-flow oxygen therapy in hospitalized patients with COVID-19 pneumonia

This study aims to determine predictors of successful separation from high-flow nasal cannula in patients with COVID-19 pneumonia.本研究旨在明确新型冠状病毒肺炎（COVID-19 pneumonia）患者成功脱离经鼻高流量鼻导管吸氧（high-flow nasal cannula, HFNC）治疗的预测因素。