| | Variable | Overall | Initial asystole | Initial pulseless electrical activity | | No rhythm conversion | Spontaneous rhythm conversion | No rhythm conversion | Spontaneous rhythm conversion | | Total | Conversion in <10 min | Conversion in 10–15 min | Conversion in ≥15 min | Total | Conversion in <10 min | Conversion in 10–15 min | Conversion in ≥15 min |
| | N | 24849 | 13935 | 2581 | 1061 | 567 | 953 | 6678 | 1655 | 616 | 330 | 705 | | Median age, year (IQR) | 67 (55, 78) | 66 (54, 77) | 65 (54, 76) | 65 (55, 77) | 64 (55, 76) | 65 (53, 76) | 70 (59, 79) | 70 (58, 79) | 69 (56, 79) | 69 (59, 79) | 71 (60, 79) | | Men, n (%) | 15344 (61.7) | 8498 (61.0) | 1726 (66.9) | 736 (69.4) | 383 (67.5) | 607 (63.7) | 4026 (60.3) | 1094 (66.1) | 435 (70.6) | 222 (67.3) | 437 (61.6) | | Witnessed OHCA | | | | | | | | | | | | | By EMS, n (%) | 2492 (10.0) | 601 (4.3) | 114 (4.4) | 46 (4.3) | 24 (4.2) | 44 (4.6) | 1479 (22.1) | 298 (18.0) | 112 (18.2) | 61 (18.5) | 125 (17.6) | | By bystander, n (%) | 7747 (31.2) | 3260 (23.4) | 889 (34.4) | 374 (35.2) | 200 (35.3) | 315 (33.1) | 2833 (42.4) | 765 (46.2) | 275 (44.6) | 158 (47.9) | 332 (46.8) | | Bystander resuscitation, n (%) | 10738 (43.2) | 6280 (45.1) | 1147 (44.4) | 481 (45.3) | 254 (44.8) | 412 (43.2) | 2612 (39.1) | 699 (42.2) | 286 (46.4) | 139 (42.1) | 274 (38.6) | | Public location, n (%) | 2426(9.8) | 1060 (7.6) | 301 (11.7) | 129 (12.2) | 73 (12.9) | 99 (10.4) | 802 (12.0) | 263 (15.9) | 125 (20.3) | 48 (14.5) | 90 (12.7) | | Median EMS response time, min (IQR) | 5.4 (4.2, 6.9) | 5.3 (4.1, 6.8) | 5.5 (4.2, 7.0) | 5.5(4.3, 7.0) | 5.4 (4.1, 7.0) | 5.4 (4.1, 7.0) | 5.5 (4.2, 7.0) | 5.6 (4.3,7.0) | 5.6 (4.3, 7.0) | 5.5 (4.2, 7.0) | 5.7 (4.3, 7.0) | | Median epinephrine use, mg (IQR) | 3 (3, 5) | 3(3, 4) | 4(3, 6) | 4(3, 5) | 4 (3, 5) | 4 (3, 6) | 3 (2, 4) | 4(3, 6) | 4 (3, 6) | 4 (3, 5) | 5(3, 6) | | Advanced airway applied, n (%) | 21592 (86.9) | 11964 (85.9) | 2341 (90.7) | 933 (87.9) | 512 (90.3) | 896 (94.0) | 5807 (87.0) | 1480 (89.4) | 530 (86.0) | 289 (87.6) | 661 (93.2) | | Median time of rhythm conversion, min (IQR) | — | — | 12.0 (6.7, 18.7) | 6.0 (3.9, 7.9) | 12.4 (11.2, 13.7) | 21.4 (17.9, 26.5) | — | 13.2 (7.0, 20.5) | 5.5 (3.1, 7.7) | 12.6 (11.1, 14.0) | 21.9 (18.4, 26.8) | | Median time of rhythm conversion, min (IQR) | — | — | 12.0 (6.7, 18.7) | 6.0 (3.9, 7.9) | 12.4 (11.2, 13.7) | 21.4 (17.9, 26.5) | — | 13.2 (7.0, 20.5) | 5.5 (3.1, 7.7) | 12.6 (11.1, 14.0) | 21.9 (18.4, 26.8) |
|
|
OHCA, out-of-hospital cardiac arrest; EMS, Emergency Medical Services; n, number; N, total number; IQR, interquartile range; min, minute; mg, milligram.
|
