Table 1.
Patient demographics.
| Mothership | Drip and ship | Drip and ship | p-value | |
|---|---|---|---|---|
| total | received MTE | |||
| Patients | N = 222 | N = 163 | N = 110 | |
| Age in years—median (IQR) | 74 (64–82) | 75 (61–80) | 74.5 (62–80) | 0.272 |
| Women, n (%) | 114 (51%) | 75 (46%) | 51 (46%) | 0.460 |
| NIHSS—median (IQR) | 15 (12.5–18.5) | 16 (11–19) | 15.5 (11.3–19) | 0.958 |
| ASPECTS—median (IQR) | 8 (7–10) | 9 (7–9) | 9 (7–9) | n.a. |
| IVT, n (%) | 122 (55%) | 107 (66%) | 77 (70%) | 0.008 |
| Target vessels | 0.002 | |||
| ICA, n (%) | 47 (21%) | 19 (17%) | ||
| MCA, n (%) | 134 (60%) | 51 (46%) | ||
| Tandem occlusion, n (%) | 41 (19%) | 40 (36%) | ||
| Thrombectomy | ||||
| Stent retriever, n (%) | 220 (99%) | 109 (99%) | 0.852 | |
| Proximal balloon catheter, n (%) | 204 (92%) | 101 (92%) | 0.223 | |
| Number of passes, median (range) | 1 (0–6) | 1 (0–5) | 0.479 | |
| TICI 2b/3, n (%) | 159 (72%) | 80 (73%) | 0.833 | |
| Time intervals | ||||
| Onset to first imaging (min), median (IQR) | 89 (67–116) | 74 (48–103) | 76 (51–104) | 0.002 |
| Onset to IVT (min), median (IQR) | 120 (89–155) | 101 (86–125) | 102 (87–125) | 0.002 |
| Onset to first DSA run (min), median (IQR) | 180 (152–218) | 294 (98–397) | <0.001 | |
| Onset to recanalization (min), median (IQR) | 230 (193–275) | 342 (299–405) | <0.001 |
Drip and ship-total, sent to the comprehensive stroke center for mechanical thrombectomy (MTE); drip and ship-received MT, sent to the comprehensive stroke center and received MTE; NIHSS, National Institutes of Health Stroke Scale; IQR, interquartile range; ASPECTS, Alberta stroke program early CT score; IVT, intravenous thrombolysis; DSA, digital subtraction angiography; p-value, mothership vs. drip-and-ship-received MT. p-values that are significant are bold.