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

Table 2 Summary of pooled AUCs and grey zones of PPV and SVV in the considered subgroups

Subgroup	PPV				SVV
Subgroup	Pooled AUC	Threshold (%)	Grey zone L	Grey zone H	Pooled AUC	Threshold	Grey zone L	Grey zone H
Closed Chest and Abdomen	0.79	10.9	6	12	0.75	10.7	5	15
Closed Chest and = pen Abdomen	0.79	11.5	7	14	0.79	10.1	5	12
Open Chest and Closed Abdomen	0.69	6.9	5	19	0.72	10.0	5	18
LPS	0.74	11.3	6	15	0.78	10.8	7	13
Prone	0.78	11.2	6	11	0.73	10.2	6	14

Complete data analysis is reported in the Results section. AUC Area under receiver operator characteristic curve, PPV Pulse pressure variation, SVV Stroke volume variation L Low value of grey zone, H High value of grey zone, LPS Laparoscopy

ISSN: 1364-8535