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Tissue characterization by grey-scale signal intensity analysis
| Whole cohort | STEMI subgroup | |||||
|---|---|---|---|---|---|---|
| BRS | EES | P-value | BRS | EES | P-value | |
| Patients, n | 65 | 30 | 55 | 22 | ||
| Frames analyzed, n | 728 | 360 | 558 | 276 | ||
| Regions of interest analyzed, n | 2,233 | 1,210 | 1,601 | 954 | ||
| Mean grey-scale signal intensity score | 105.8 (91.0, 121.0) | 95.9 (78.7, 109.6) | 0.29 | 104.8 (90.6, 119.4) | 92.0 (74.0, 107.4) | 0.02 |
| Mature regions of interest, % | 43.0 | 24.6 | 0.35 | 40.9 | 21.1 | 0.03 |
Data shown as numbers, percentages or median (IQR)
