Fig. 3From: The value of ROX index in predicting the outcome of high flow nasal cannula: a systematic review and meta-analysisThe summary receiver operating characteristic (SROC) plot to evaluate the predicting accuracy of ROX index, and the area under the curve (AUC) was 0.75 (95% CI 0.71–0.79), implying that ROX index could predict HFNC failureBack to article page