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Table 3 Predictive value of LUSm and TI for successful extubation

From: Lung and diaphragm ultrasound as predictors of success in weaning from mechanical ventilation

Variable AUC Sensitivity Specificity LR+ LR− Cut-off point (%)
LUSm 0.78 0.76 0.72 2.74 0.33 7
TI 0.76 0.93 0.58 2.26 0.12 24
LUSm + TI 0.83 0.86 0.56 1.97 0.24  
  1. AUC, area under the ROC curve; LR+, positive likelihood ratio; LR−, negative likelihood ratio; LUSm, modified lung ultrasound score; TI, diaphragm thickness index