Correlation, Agreement, Slope of Linear Regression with Zero Intercept, and Mean Percentage Difference Between CTAC and NAC MBF and CFR Values for Whole Myocardium
| MBF | |||||
|---|---|---|---|---|---|
| Parameter | Rest | Stress | All | CFR | CFR < 2 (n = 8) |
| Correlation coefficient (r2) | 0.99 | 0.97 | 0.99 | 0.95 | 0.97 |
| Intraclass correlation coefficient | 1.00 | 0.98 | 0.99 | 0.95 | 0.99 |
| Slope | 0.96 | 0.91 | 0.92 | 0.92 | 1.01 |
| Mean difference ± SD (%) | −2.8 ± 3.2 | −7.9 ± 5.5 | −5.4 ± 5.2 | −2.7 ± 14.4 | 1.3 ± 4.1 |
| P, CTAC ≠ NAC | <0.0005 | <0.0005 | <0.0005 | 0.02 | 0.43 |