Time intervals (min) in the MR CLEAN trial according to mode of arrival at the emergency department of the intervention center, expressed as median (IQR)
| All patients | Direct (n=281) | Transfer (n=219) |
| Stroke onset to IV tPA (n=444) | 85 (65–110) | 85 (66–110) |
| Stroke onset to admission to ED (n=471) | 52 (34–75) | 200 (166–245) |
| Admission to ED to vessel imaging (n=439) | 39 (25–67) | 24 (17–32) |
| Vessel imaging to randomization (n=460) | 53 (34–80) | 21 (15–33) |