Use of a combination of diaphragmatic ultrasound and muscle relaxation monitoring in predicting post-extubation adverse respiratory events among elderly patients in an anesthesia intensive care unit

Table 4 ROC curve analysis of each indicator to predict adverse events post-extubation in elderly patients undergoing laparoscopy

Indicator	AUC	95%CI	The best diagnostic point	Sensitivity %	Specificity %	Accuracy %	P
Deep breathing diaphragmatic excursion during extubation	0.865	0.782 ~ 0.948	2.83 cm	78.9	86.7	65.6	<0.001
Deep breathing diaphragmatic thickening fraction during extubation	0.825	0.74 ~ 0.91	62.5%	84.2	72.2	56.4	<0.001
Muscle relaxation value during extubation	0.813	0.708 ~ 0.917	74.15	73.7	85.6	59.3	<0.001
Combined indicators	0.949	0.906 ~ 0.993	0.110	94.7	82.2	76.9	<0.001

ISSN: 1471-2466