Fig. 4From: A randomized controlled trial of ultrasound-assisted technique versus conventional puncture method for saphenous venous cannulations in children with congenital heart diseaseROC curve for the multivariate logistic regression model. AUC:The area under the curve; AUC = 0.889, P < 0.001, The sensitivity and specificity are 70.5 and 86.2%, respectivelyBack to article page