Comparison of gastric reactance with commonly used perfusion markers in a swine hypovolemic shock model

Intensive Care Medicine Experimental

Table 3 Performance for Lac_Max and XL_Min

Time points	N	Variable	Optimal cutoff values	Sensitivity	Specificity	AUC	95% CI	PPV	NPV
T-2	16	Lac_Max (mmol/L)	–	0.00	1.0	0.29	0.01–0.58	–	0.24
T-1	16		2.55	0.56	0.6	0.39	0.05–0.74	0.82	0.30
T0	16		2.60	0.69	0.6	0.52	0.17–0.87	0.85	0.38
T1	16		2.65	0.94	0.6	0.76	0.47–1.00	0.88	0.75
T2	11		5.60	0.91	0.8	0.82	0.50–1.00	0.91	0.80
T-2	16	XL_Min (− jΩ)	7.79	0.88	0.8	0.88	0.67–1.00	0.93	0.67
T-1	16		9.82	0.75	1.0	0.86	0.70–1.00	1.00	0.56
T0	16		10.18	0.62	1.0	0.81	0.62–1.00	1.00	0.45
T1	16		11.79	0.81	1.0	0.90	0.77–1.00	1.00	0.62
T2	11		12.41	0.91	1.0	0.96	0.88–1.00	1.00	0.83

Performance for maximum lactate values per subject per event (Lac_Max) and minimum XL values per subject per event (XL_Min) between the control group (CG) and the shock group (SG). All subjects were considered in the relevant time points by the shock criterion (MAP ≤ 48 mmHg) T-2: 2 h before shock; T-1: 1 h before shock; T0: shock; T1: 1 h after shock; T2: 2 h after shock
AUC area under the curve, CI confidence interval, NPV negative predictive value, PPV positive predictive value