Qualitative analysis (n = 42)a
| TR | CBF | CBV | TTD | MTT | TTP | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2-second | 1-second | 2-second | 1-second | 2-second | 1-second | 2-second | 1-second | 2-second | 1-second | |
| DC | ||||||||||
| Quality score | 7.0 (5.6–7.0) | 7.0 (5.6–7.0) | 7.0 (6.0–7.0) | 7.0 (6.0–7.0) | 7.5 (6.1–8.0) | 7.5 (6.1–8.0) | 3.5 (2.0–4.0) | 3.5 (2.5–4.0) | N/A | N/A |
| Level of significance | Not significant | Not significant | Not significant | P < .05 | N/A | |||||
| Category | ||||||||||
| I | 81% | 81% | 83% | 86% | 90% | 90% | 12% | 14% | N/A | N/A |
| II | 19% | 19% | 17% | 14% | 10% | 10% | 67% | 64% | N/A | N/A |
| III | 0% | 0% | 0% | 0% | 0% | 0% | 21% | 21% | N/A | N/A |
| MS | ||||||||||
| Quality score | 5.8 (3.1–6.5) | 6.5 (5.1–7.5) | 6.5 (4.0–7.5) | 6.5 (5.5–7.5) | N/A | N/A | N/A | N/A | 6.5 (5.0–6.5) | 6.5 (5.0–6.5) |
| Level of significance | P < .001 | P < .05 | N/A | N/A | P < .05 | |||||
| Category | ||||||||||
| I | 62% | 76% | 69% | 81% | N/A | N/A | N/A | N/A | 76% | 76% |
| II | 26% | 19% | 24% | 14% | N/A | N/A | N/A | N/A | 21% | 24% |
| III | 12% | 5% | 7% | 5% | N/A | N/A | N/A | N/A | 2% | 0% |
↵a All values are median (interquartile range). Quality scores are on a scale from 0 (worst) to 8 (best) points.