Table 2.
Summary of pooled AUCs and grey zones of PPV and SVV in the considered subgroups
| Subgroup | PPV | SVV | ||||||
|---|---|---|---|---|---|---|---|---|
| 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