Table 3.
Inter-method volumes’ concordance
| Pairs | Pearson’ rho | Rho_c | C_b | Mean difference | 95% LOA |
|---|---|---|---|---|---|
| All patients (N = 142) | |||||
| Core volume | |||||
| Method A versus B | 0.97 | 0.96 | 0.99 | 3.6 ± 10.0 | −16.0 to 23.1 |
| Method A versus C | 0.90 | 0.82 | 0.91 | −14.1 ± 24.5 | −62.2 to 34.0 |
| Method B versus C | 0.94 | 0.80 | 0.86 | −18.1 ± 23.7 | −64.5 to 28.2 |
| Hypoperfusion volume | |||||
| Method A versus B | 0.74 | 0.62 | 0.85 | 41.8 ± 80.5 | −115.9 to 199.6 |
| Method A versus C | 0.38 | 0.27 | 0.69 | 75.8 ± 113.4 | −146.5 to 298.2 |
| Method B versus C | 0.56 | 0.51 | 0.91 | 33.4 ± 71.7 | −107.1 to 174.0 |
| Early EVT (N = 67) | |||||
| Core volume | |||||
| Method A versus B | 0.97 | 0.96 | 0.99 | 3.4 ± 8.9 | −14.2 to 20.9 |
| Method A versus C | 0.88 | 0.81 | 0.92 | −11.8 ± 22.9 | −56.8 to 33.1 |
| Method B versus C | 0.92 | 0.79 | 0.87 | −15.2 ± 21.5 | −57.2 to 26.8 |
| Hypoperfusion volume | |||||
| Method A versus B | 0.69 | 0.54 | 0.79 | 45.6 ± 89.7 | −130.2 to 221.4 |
| Method A versus C | 0.37 | 0.21 | 0.57 | 83.8 ± 115.0 | −141.5 to 309.2 |
| Method B versus C | 0.59 | 0.50 | 0.84 | 38.2 ± 60.0 | −79.4 to 155.9 |
| Late EVT (N = 46) | |||||
| Core volume | |||||
| Method A versus B | 0.97 | 0.96 | 0.99 | 3.0 ± 6.5 | −9.8 to 15.8 |
| Method A versus C | 0.93 | 0.74 | 0.80 | −15.2 ± 22.5 | −59.3 to 28.8 |
| Method B versus C | 0.94 | 0.70 | 0.75 | −18.2 ± 23.2 | −63.7 to 27.2 |
| Hypoperfusion volume | |||||
| Method A versus B | 0.88 | 0.79 | 0.90 | 33.0 ± 52.4 | −69.6 to 135.7 |
| Method A versus C | 0.51 | 0.40 | 0.78 | 60.8 ± 94.6 | −124.6 to 246.2 |
| Method B versus C | 0.63 | 0.60 | 0.94 | 27.8 ± 67.0 | −103.5 to 159.0 |
EVT endovascular thrombectomy, LOA limits-of-agreement