From: Should pulse pressure variation be indexed to tidal volume?
 | Factorial increase in PPV | ||
---|---|---|---|
Volume | VT6–VT9 | VT9–VT12 | VT6–VT12 |
-25% | 1.28 to 1.34 | 1.17 to 1.28 | 1.51 to 1.70 |
0% | 1.53 to 2.00 | 1.24 to 1.60 | 2.17 to 2.80 |
+25% | 1.47 to 1.87 | 1.26 to 1.50 | 1.88 to 2.77 |
+50% | 1.50 to 1.71 | 1.30 to 1.61 | 2.09 to 2.56 |