Predicting extubation in patients with traumatic cervical spinal cord injury using the diaphragm electrical activity during a single maximal maneuver

Annals of Intensive Care

Table 4 Predictive accuracy of ∆EAdi to predict extubation success in cervical spinal cord injury patients

	AUROC	Sensitivity, %	Specificity, %	Youden index	PPV, %	NPV, %
Crude analysis
ΔEAdi, μV	0.978 (0.941, 0.995)	100 (92.9, 100)	89.5 (78.5, 96.0)	0.895(0.803, 0.945)	89.3 (79.6, 94.7)	100(94.5, 100)
Adjusted analysis^a
ΔEAdi, μV	0.988 (0.963, 0.997)	96.0 (86.3, 99.5)	94.7 (85.4, 98.9)	0.907(0.782, 0.945)	94.1 (84.2, 98.0)	96.4 (87.4, 99.1)

EAdi: diaphragm electrical activity, AUROC: area under receiver operating characteristic, PPV: positive predictive value, NPV: negative predictive value
^aAdjusted by SOFA, high cervical injury, PaO₂/FiO₂, and rapid shallow breathing index