Reliability of pulse pressure and stroke volume variation in assessing fluid responsiveness in the operating room: a metanalysis and a metaregression

Table 4 Difference in the AUCs of the subgroups positively affected by the variables analyzed in the metaregression

Closed Chest and Closed Abdomen				Prone patients
AUC of PPV		AUC of PPV		AUC of PPV
VT > 8 ml/Kg	VT ≤ 8 ml/Kg	Colloids YES	Colloids NO	VT > 8 ml/Kg	VT ≤ 8 ml/Kg
0.88 (0.82–0.93)	0.69 (0.65 – 0.74)	0.86 (0.80–0.92)	0.70 (0.65 – 0.75)	0.85 (0.76–0.94)	0.64 (0.54 – 0.74)

PPV Pulse pressure variation, SVV Stroke volume variation, AUC Area under receiver operator characteristic curve, PEEP Positive end-expiratory pressure, VT Tidal volume, TIVA Total intravenous anesthesia, NA Non-applicable for collinearity, ref Reference, ml/Kg Milliliters per kilogram, min Minutes
Data are expressed as coefficient of metaregression (p value); ref, reference

ISSN: 1364-8535