11C-HED Retention (%/min) in Myocardial Segments Categorized into Groups Based on CFR
| CFR | No. of viable segments | Baseline study | Follow-up study | P |
|---|---|---|---|---|
| <1.5 | 122 | 1.36 ± 0.42 | 1.30 ± 0.38 | 0.0009 |
| 1.5 ≤ x < 2 | 48 | 1.57 ± 0.40 | 1.60 ± 0.49 | NS |
| 2 < x < 3 | 93 | 1.64 ± 0.44 | 1.70 ± 0.45 | 0.009 |
| ≥3 | 71 | 1.63 ± 0.36 | 1.60 ± 0.38 | NS |
NS = not statistically significant.
Data are mean ± SD.