Table 2.
Within 20 miles distance and time intervals (in minutes)
| 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) | 5.5±5.4 (62) 4.0 (2.0–8.0) |
– | – | – | – |
| Distance: initial to endovascular hospital (miles) | 11.3±6.4 (60) 10.5 (6.8–15.3) |
– | – | – | – |
| Distance: scene to endovascular hospital (miles) | – | 12.5±5.0 (62) 13.3 (8.5–16.8) |
– | 10.4±5.1 (62) 8.7 (6.2–15.1) |
– |
| Onset to initial hospital | 74.1±58.2 (60) 52.0 (31.0–87.3) |
– | – | – | – |
| Onset to endovascular door | 222.4±77.5 (59) 208.0 (167.5–284.0) |
87.6±57.1 (62) 61.0 (50.0–107.5) |
<0.001 | 83.1±56.6 (62) 56.0 (46.3–102.3) |
<0.001 |
| Onset to IV tPA | 119.3±47.7 (38) 108.0 (89.3–139.8) |
111.1±45.0 (39) 93.0 (84.5–118.0) |
0.079 | 107.1±45.4 (39) 88.0 (80.0–117.5) |
0.003 |
| Onset to arterial puncture | 270.8±77.0 (61) 265.0 (224.0–328.0) |
177.4±57.3 (61) 151.0 (139.0–197.0) |
<0.001 | 172.8±56.8 (61) 145.0 (136.0–195.0) |
<0.001 |
| EMS arrival to initial hospital | 23.5±8.6 (42) 21.5 (18.0–31.0) |
– | – | – | – |
| EMS arrival to endovascular door | 172.2±61.1 (59) 165.0 (130.0–198.5) |
38.0±7.5 (62) 38.0 (33.3–41.0) |
<0.001 | 33.5±6.6 (62) 32.0 (28.0–38.8) |
<0.001 |
| EMS arrival to IV tPA | 83.9±23.6 (38) 81.0 (72.3–89.5) |
75.1±7.8 (39) 75.0 (69.0–79.0) |
0.079 | 71.1±7.1 (39) 69.0 (66.0–75.0) |
0.003 |
| EMS arrival to arterial puncture | 220.5±61.2 (61) 215.0 (183.0–255.0) |
127.1±7.6 (61) 127.0 (123.0–130.0) |
<0.001 | 122.5±6.7 (61) 121.0 (117.0–128.0) |
<0.001 |
EMS, emergency medical services; IV tPA, intravenous tissue plasminogen activator.