Table 3.

Accuracy of ΔrespPP/ΔrespSV ratio (dynamic arterial elastance) to predict decrease in arterial pressure

Cut-off value (%)	Sensitivity (%)	Specificity (%)	Positive likelihood ratio	Negative likelihood ratio	Positive predictive value (%)	Negative predictive value (%)
0.94	100 (75–100)	68 (45–86)	3.14 (1.7-5.8)	0	65 (41–85)	100 (78–100)
0.83	77 (46–95)	73 (50–89)	2.82 (1.3-5.9)	0.32 (0.1-0.9)	63 (35–85)	84 (60–97)
0.77	69 (39–91)	86 (65–97)	5.08 (1.7-15.4)	0.36 (0.2-0.8)	75 (43–95)	83 (61–95)
0.7	23 (5–54)	100 (85–100)		0.77 (0.6-1)	100 (29–100)	69 (50–84)