Distances and time metrics
| A: direct admission | B: inner-city transfer | C: long-distance referral | |||||||
| 04/2015 | 05/2015 | p(A) | 04/2015 | 05/2015 | p(B) | 04/2015 | 05/2015 | p(C) | |
| n=78 | n=75 | n=12 | n=17 | n=17 | n=51 | ||||
| Distances (km) – onset to | |||||||||
| Initial hospital | 19.9 (11.9–32.2) | 8.5 (6.4–16.3) | 0.076 | 17 (13–79) | 15.8 (7.9–23.3) | 0.007 | |||
| CSC | 17.8 (11.1–29.5) | 13.1 (9.9–21.6) | 0.26 | 12.7 (6.6–27.1) | 7.9 (6.6–11.3) | 0.109 | 52.2 (30.4–64.5) | 64.4 (43.3–78.9) | 0.032 |
| Time metrics (min) – onset to | |||||||||
| Initial imaging | 104 (65.3–153.3) | 55.5 (41.5–113.8) | 0.312 | 95.5 (62–116.3) | 75 (61–85) | 0.542 | |||
| Door-in-door-out time* | 112 (86) | 79 (70) | 0.562 | 113 (30) | 86 (29) | 0.0236 | |||
| Total referral time† | 102 (76) | 95 (70) | 0.88 | 154 (43) | 140 (32) | 0.289 | |||
| Imaging CSC | 85 (66.5–107.5) | 74 (58–93,5) | 0.013 | 129 (42–232) | 149 (88–182) | 0.754 | 250 (208–286) | 216 (185–238) | 0.066 |
| Puncture | 158 (132– 200) | 133 (113–156) | 0.0002 | 177 (142–135) | 190 (142–238) | 0.608 | 284 (245–322) | 266 (238–292) | 0.281 |
| Picture-to-puncture time CSC‡ | 63 (48–76) | 59 (49–75) | 0.594 | 56 (34–71) | 40 (29–55) | 0.331 | 36 (29–52) | 50 (38–56) | 0.079 |
| Recanalization | 261 (210–315) | 198 (167–264) | <0.0001 | 257 (214–306) | 265 (199–360) | 0.566 | 371 (322–415) | 346 (307–405) | 0.559 |
| Picture-to-recanalization time CSC§ | 158 (120–193) | 122 (100–175) | 0.0082 | 123 (74–165) | 132 (70–159) | 0.898 | 118 (93–139) | 120 (84–167) | 0.778 |
| Picture-to-recanalization time PSC¶ | 155 (121–182) | 172 (148–286) | 0.313 | 261 (50) | 282 (57) | 0.41 | |||
*Door-in-door-out time: time interval from admission to discharge at the referring hospital.
†Total referral time: overall referral/transfer process including door-in-door-out time and ground transfer to the CSC.
‡Picture-to-puncture time: time interval between CT scan and groin puncture at the CSC.
§Picture-to-recanalization time CSC: time interval between CSC CT scan and angiographic recanalization.
¶Picture-to-recanalization time PSC: time interval between PSC CT scan and angiographic recanalization.
Values are presented as mean (±SD), median (interquartil range), or number (%). All distances are given in kilometers (km); time intervals are given in minutes (min). CSC, comprehensive stroke center.