TABLE 2.
Correlation of Simplified Methods with Ki Obtained Using Pharmacokinetic Modeling
| Continuous arterial sampling |
IDIFvenous |
|||||
| Method | R2 | Slope | Intercept | R2 | Slope | Intercept |
| Patlak Ki | 0.99 | 0.90 | 0.00 | 0.99 | 0.93 | 0.00 |
| SUVAUC,PP | 0.99 | 0.94 | 0.00 | 0.99 | 0.97 | 0.00 |
| SUVAUC,WB | 0.83 | 0.41 | 0.01 | 0.83 | 0.45 | 0.00 |
| SUVPP | 0.96 | 116.99 | −0.46 | 0.92 | 129.57 | −1.16 |
| SUVWB | 0.77 | 10.88 | 0.24 | 0.77 | 11.69 | 0.29 |
| SUVBW | 0.76 | 55.91 | 0.81 | 0.70 | 56.40 | 1.23 |
| SUVLBM | 0.73 | 41.64 | 0.75 | 0.70 | 40.97 | 1.06 |
| SUVSHBG | 0.80 | 2.88 | −0.30 | 0.88 | 3.19 | −0.03 |
IDIFvenous = NLR using IDIF corrected using venous blood samples.