| Performance parameters | |||
| Deterministic model | Stochastic model (triangle distribution) | ||
| Value | Minimum | Maximum | |
| PSC door-to-needle time23 (min) | 60 | 50 | 100 |
| CSC door-to-needle time24 (min) | 40 | 30 | 60 |
| CSC needle-to-puncture time2 (min) | 60 | 30 | 90 |
| CT angiography2 (min) | 15 | 10 | 30 |
| Transfer lag2 (min) | 50 | 30 | 70 |
| Probability of IV tPA ineligibility9 (%) | 10.1 | 6.1 | 14.1 |
| Probability of EVT ineligibility3 (%) | 11.2 | 8.7 | 13.7 |
| Probability of a LVO achieving recanalization with IV tPA alone10 11 (%) | 18 | 14 | 22 |
| Probability of ICH from IV tPA12 (%) | 6 | 3 | 9 |
| Probability of successful reperfusion after EVT3 (%) | 80 | 65 | 95 |
CSC, comprehensive stroke center; EVT, endovascular thrombectomy; FAST-ED, Field Assessment Stroke Triage for Emergency Destination; ICH, intracranial hemorrhage; IV tPA, intravenous tissue plasminogen activator; LVO, large vessel occlusion; NIHSS, National Institutes of Health Stroke Scale; PSC, primary stroke center.