Diagnostic accuracy of quantitative neuromuscular ultrasound for the diagnosis of intensive care unit-acquired weakness: a cross-sectional observational study

Annals of Intensive Care

Table 4 Univariate analysis and area under the receiver operating characteristic curve (ROC–AUC) of nerve parameters

	No ICU-AW	ICU-AW	P value	ROC–AUC (95% CI)
Median nerve
CSA wrist [mean mm² (SD)]	10.7 (3.5)	8.9 (2.1)	0.020*	66.7 (53.6–79.9)
CSA proximal [mean mm² (SD)]	7.3 (1.8)	7.6 (1.7)	0.445	52.5 (38.6–66.4)
Thickness proximal [mean mm (SD)]	2.4 (0.4)	2.4 (0.4)	0.977	51.0 (37.2–65.2)
Intraneural vascularization proximal (%)^a	6 (20.0)	10 (25.6)	0.793
Peroneal nerve
CSA fibular head [mean mm² (SD)]	10.8 (3.5)	11.7 (5.0)	0.504	53.1 (35.6–70.7)
CSA knee fold [mean mm²(SD)]	8.2 (3.3)	8.2 (3.0)	0.999	52.4 (36.9–67.9)
Thickness knee fold [mean mm (SD)]	2.2 (0.4)	2.3 (0.4)	0.505	54.6 (38.9–70.2)
Intraneural vascularization proximal (%)^a	3 (12.0)	4 (14.3)	1.000