Fig. 7From: Can high-flow nasal cannula reduce the rate of reintubation in adult patients after extubation? A meta-analysisICU LOS. COT, conventional oxygen therapy; CI, confidence interval; HFNC, high-flow nasal cannula; ICU, intensive care unit; LOS, length of stay; NIPPV, noninvasive positive pressure ventilation; SD, standard derivationBack to article page