Results of Linear Regression Analysis Between True and Measured Defect Sizes for SPECT and PET
| Cutoff (% of peak) | SPECT | PET | ||||
|---|---|---|---|---|---|---|
| Slope | Intercept | r | Slope | Intercept | r | |
| 30 | 0.5516 | −3.3470 | 0.862 | 1.0436 | −3.7668 | 0.983 |
| 40 | 0.8967 | −5.0407 | 0.955 | 1.0334 | −2.0865 | 0.984 |
| 50 | 1.0006 | −2.2833 | 0.980 | 1.0346 | −1.2027 | 0.986 |
| 60 | 1.0170 | 4.3722 | 0.970 | 1.0654 | −0.2477 | 0.987 |
| 70 | 0.7986 | 24.4310 | 0.807 | 1.0962 | 0.2299 | 0.987 |
| 80 | 0.3075 | 56.8910 | 0.377 | 1.1321 | 2.2687 | 0.989 |