Characteristics | Overall (n = 5042) | EMS attempted to resuscitate (N = 2278) | EMS did not attempt to resuscitate (N = 2764) | Transported to hospital with ROSC (N = 121) | Transported to hospital with ongoing bystander CPR (N = 392) |
---|---|---|---|---|---|
Age, median (IQR) | 78 (63–85) | 70 (57–80) | 82 (73–87) | 69 (55–79) | 68 (57–80) |
Gender | |||||
Male | 3032 (60.1) | 1574 (69.1) | 1458 (52.7) | 67 (55.4) | 282 (71.9) |
Female | 2010 (39.9) | 704 (30.9) | 1306 (47.3) | 54 (44.6) | 110 (28.1) |
Arrest location | |||||
At home | 4319 (85.7) | 1727 (75.8) | 2592 (93.8) | 83 (68.6) | 299 (76.3) |
At public place | 723 (14.3) | 551 (24.2) | 172 (6.2) | 38 (31.4) | 93 (23.7) |
Witnessed status | |||||
Non-witnessed | 2837 (56.3) | 854 (37.5) | 1983 (71.8) | 26 (21.5) | 122 (31.1) |
Witnessed | 2203 (43.7) | 1424 (62.5) | 779 (28.2) | 95 (78.5) | 270 (68.9) |
Bystander CPR | |||||
Yes | 484 (9.6) | 432 (19.0) | 52 (1.9) | 37 (30.6) | 392 (100.0) |
No | 4558 (90.4) | 1846 (81.0) | 2712 (98.1) | 84 (69.4) | 0 |
Bystanders trained in CPR | |||||
Yes | 469 (9.3) | 319 (14.0) | 150 (5.4) | 37 (30.6) | 223 (56.9) |
No | 4573 (90.7) | 1959 (86.0) | 2614 (94.6) | 84 (69.4) | 169 (43.1) |
First monitored shockable rhythm | |||||
Yes | 162 (3.2) | 149 (6.5) | 13 (0.5) | 26 (21.5) | 50 (12.8) |
No | 4880 (96.8) | 2129 (93.5) | 2751 (99.5) | 95 (78.5) | 342 (87.2) |
Etiology | |||||
Cardiac | 4452 (88.3) | 2045 (89.8) | 2407 (87.1) | 104 (86.0) | 358 (91.3) |
Non-cardiac | 590 (11.7) | 233 (10.2) | 357 (12.9) | 17 (14.0) | 34 (8.7) |
Previous CVD | |||||
Yes | 3249 (64.8) | 1436 (63.0) | 1929 (66.1) | 58 (47.9) | 261 (66.6) |
No | 1765 (35.2) | 842 (37.0) | 936 (33.9) | 63 (52.1) | 131 (33.4) |
Response time (min), median (IQR) | 15 (12–20) | 15 (11–19) | 16 (12–20) | 14 (11–18) | 15 (12–19) |
Defibrillated by EMS | 359 (7.1) | 359 (15.8) | 0 | 42 (35.6) | 82 (20.9) |
Any ROSC | |||||
Yes | 95 (1.9) | 86 (3.8) | 9 (0.3) | 19 (15.0) | 25 (6.4) |
No | 4947 (98.1) | 2191 (96.2) | 2754 (99.7) | 102 (85.0) | 367 (93.6) |
Survived event | |||||
Yes | 121 (2.4) | 118 (5.2) | 3 (0.1) | 121 (100.0) | 37 (9.4) |
No | 4921 (97.6) | 2160 (94.8) | 2761 (99.9) | 0 | 355 (90.6) |
Survived to admission | |||||
Yes | 78 (1.5) | 78 (3.4) | 0 | 75 (62.0) | 24 (6.1) |
No | 4964 (98.5) | 2200 (96.6) | 2764 (100.0) | 46 (38.0) | 368 (93.9) |
Survived to discharge | |||||
Yes | 31 (0.6) | 31 (1.4) | 0 | 30 (24.8) | 12 (3.1) |
No | 4983 (98.8) | 2219 (97.4) | 2764 (100.0) | 65 (53.7) | 377 (96.2) |
Lost to follow-up | 28 (0.6) | 28 (1.2) | 0 | 26 (21.5) | 3 (0.8) |