Interval | Actual Mean±SD (N) Median (IQR) | Bypass to STRATIS hospital Mean±SD (N) Median (IQR) | P value | Bypass to ideal hospital Mean±SD (N) Median (IQR) | P value |
Distance: scene to initial hospital (miles) | 11.3±23.1 (230) 6.0 (3.0–12.8) | – | – | – | – |
Distance: initial hospital to endovascular hospital (miles) | 48.1±47.3 (232) 30.5 (15.0–70.3) | – | – | – | – |
Distance: scene to endovascular hospital (miles) | – | 52.4±47.5 (236) 34.1 (18.6–71.7) | – | 43.6±41.1 (236) 28.1 (15.8–62.6) | – |
Onset to initial hospital | 77.0±59.0 (209) 58.0 (38.0–97.0) | – | – | – | – |
Onset to endovascular door | 229.6±79.6 (224) 217.0 (173.5–283.5) | 125.4±70.6 (236) 106.0 (70.0–172.3) | <0.001 | 115.3±67.2 (236) 96.5 (65.0–151.3) | <0.001 |
Onset to IV tPA | 124.2±51.9 (149) 110.0 (86.0–148.0) | 154.2±64.5 (152) 135.5 (104.0–194.3) | <0.001 | 143.2±59.9 (152) 124.0 (99.8–179.5) | <0.001 |
Onset to arterial puncture | 287.0±84.3 (232) 273.5 (225.0–339.3) | 214.9±70.9 (232) 195.0 (159.0–262.0) | <0.001 | 204.7±67.5 (232) 184.5 (154.0–241.5) | <0.001 |
EMS arrival to initial hospital | 28.6±20.6 (152) 25.0 (19.0–32.3) | – | – | – | – |
EMS arrival to endovascular door | 182.6±61.4 (222) 173.5 (144.0–210.0) | 75.5±45.2 (236) 60.0 (41.8–100.0) | <0.001 | 65.4±39.2 (236) 53.0 (39.0–83.3) | <0.001 |
EMS arrival to IV tPA | 84.9±33.6 (149) 77.0 (65.0–94.0) | 115.0±47.6 (152) 98.0 (82.0–137.0) | <0.001 | 103.9±41.5 (152) 90.5 (76.0–121.3) | <0.001 |
EMS arrival to arterial puncture | 236.7±69.9 (232) 228.5 (186.8–272.3) | 164.6±45.4 (232) 148.5 (130.8–189.0) | <0.001 | 154.3±39.5 (232) 141.5 (128.0–172.3) | <0.001 |
EMS, emergency medical services; IV tPA, intravenous tissue plasminogen activator.