Model validation – actual and simulated patient numbers and characteristics
| Actual data | Model A | Model B | Model C | |
|---|---|---|---|---|
| Total strokes per year, n | 823 | 827 | 820 | 814 |
| Total MT patients/year, n | 112 | 114 | 110 | 111 |
| WH (8am to 5pm), n | 57 | 58 | 58 | n/a |
| OOH (5pm to 8am), n | 55 | 56 | 52 | n/a |
| Extended WH (8am to 8pm), n | 73 | n/a | n/a | 74 |
| OOH (8pm to 8am), n | 39 | n/a | n/a | 37 |
| Age, years, mean (SD) | 76.7 (13.2) | 77 (13.2) | 76.6 (13.3) | 76.5 (13.2) |
| NIHSS, median (IQR) | 4 (2–10) | 4.8 (2–10) | 4.8 (2–10) | 5 (2–10) |
| Onset to arrival time WH (8am to 8pm), minutes, mean (SD) | 107.6 (63.6) | 107.8 (60.3) | 107.8 (60.4) | 107.9 (60.4) |
| Onset to arrival time OOH, minutes, mean (SD) | 139 (82) | 138.4 (70) | 138.4 (70) | 138.3 (70) |
AST = acute stroke team; IQR = interquartile range; MT = mechanical thrombectomy; n/a = not applicable; NIHSS = National Institutes of Health Stroke Scale; OOH = out of hours; SD = standard deviation; WH = within hours.