Fig. 3From: Intraoperative hypotension, oliguria and operation time are associated with pulmonary embolism after radical resection of head and neck cancers: a case control studyROC curve of urine output. The AUC was derived as 0.6722, the best cutoff value of the urine output was determined as 1.775 ml kg−1 h−1, the sensitivity was 67.9% and the specificity was 61.9%Back to article page