Characteristics | Total | Residential locations | Public locations | P value* | |||
---|---|---|---|---|---|---|---|
(N = 3913) | (N = 2865) | (N = 1048) | |||||
Weekday, n (%) | 2756 | (70.4) | 2035 | (71.0) | 721 | (68.8) | .175 |
Age, median (IQR) | 2 | (0–13) | 1 | (0–10) | 9 | (2–15) | <.001 |
Age group, n (%) | Â | Â | Â | Â | Â | Â | <.001 |
 0 years old | 1504 | (38.4) | 1320 | (46.1) | 184 | (17.6) |  |
 1–4 years old | 749 | (19.1) | 582 | (20.3) | 167 | (15.9) |  |
 5–12 years old | 640 | (16.4) | 374 | (13.1) | 266 | (25.4) |  |
 13–17 years old | 1020 | (26.1) | 589 | (20.6) | 431 | (41.1) |  |
Male sex, n (%) | 2399 | (61.3) | 1668 | (58.2) | 731 | (69.8) | <.001 |
Origin, n (%) | Â | Â | Â | Â | Â | Â | <.001 |
 Medical | 2725 | (69.6) | 2240 | (78.2) | 485 | (46.3) |  |
 Non-medical | 1188 | (30.4) | 625 | (21.8) | 563 | (53.7) |  |
Witnessed, n (%) | 1065 | (27.2) | 528 | (18.4) | 537 | (51.2) | <.001 |
Dispatcher instruction, n (%) | 2497 | (63.8) | 2048 | (71.5) | 449 | (42.8) | <.001 |
First documented rhythm, n (%) | Â | Â | Â | Â | Â | Â | <.001 |
 VF/VT | 245 | (6.3) | 62 | (2.2) | 183 | (17.5) |  |
 PEA | 578 | (14.8) | 364 | (12.7) | 214 | (20.4) |  |
 Asystole | 3090 | (79.0) | 2439 | (85.1) | 651 | (62.1) |  |
Bystander CPR, n (%) | 2340 | (59.8) | 1795 | (62.7) | 545 | (52.0) | <.001 |
Shocks by public-access AEDs, n (%) | 96 | (2.5) | 5 | (0.2) | 91 | (8.7) | <.001 |
Epinephrine administration, n (%) | 151 | (3.9) | 90 | (3.1) | 61 | (5.8) | .001 |
Advanced airway management, n (%) | 509 | (13.0) | 374 | (13.1) | 135 | (12.9) | .887 |
EMS resuscitation times, median (IQR), min | |||||||
 EMS response time (call to contact with the patient) | 8 | (7–10) | 8 | (7–10) | 8 | (7–11) | .020 |
 Hospital arrival time (call to hospital arrival) | 29 | (23–37) | 28 | (23–36) | 30 | (24–39) | <.001 |
EMS CPR duration, median (IQR), min | 19 | (13–26) | 19 | (14–26) | 19 | (12–26) | .076 |
Prehospital ROSC, n (%) | 273 | (7.0) | 124 | (4.3) | 149 | (14.2) | <.001 |
One-month survival, n (%) | 498 | (12.7) | 304 | (10.6) | 194 | (18.5) | <.001 |
CPC 1 or 2, n (%) | 179 | (4.6) | 66 | (2.3) | 113 | (10.8) | <.001 |