Analysis of PV-LACT cut-offs to predict A-LACT≥2
| PV-LACT cutpoint | Number with arterial lactate ≥2 above PV-LACT cutpoint [n=49] | Sensitivity | Number with arterial lactate <2 below PV-LACT cutpoint [n=255] | Specificity |
|---|---|---|---|---|
| 1.05 | 49 | 1 | 85 | 0.333 |
| 1.55 | 49 | 1 | 171 | 0.671 |
| 2.05 | 49 | 1 | 221 | 0.867 |
| 2.55 | 38 | 0.776 | 246 | 0.965 |
| 3 | 26 | 0.531 | 254 | 0.996 |
| 3.5 | 16 | 0.327 | 255 | 1 |
PV-LACT=peripheral venous lactate A-LACT=arterial lactate.