Characteristics | All (n = 91,995) | Unknown rhythm (n = 2626) | Shockable group (n = 20,673) | Non-shockable group (n = 68,696) | ||||
---|---|---|---|---|---|---|---|---|
Year, no. (%) | ||||||||
2011 | 22,339 | (24.3) | 665 | (25.3) | 5077 | (24.6) | 16,597 | (24.2) |
2012 | 22,566 | (24.5) | 575 | (21.9) | 5121 | (24.8) | 16,870 | (24.6) |
2013 | 23,285 | (25.3) | 696 | (26.5) | 5252 | (25.4) | 17,337 | (25.2) |
2014 | 23,805 | (25.9) | 690 | (26.3) | 5223 | (25.3) | 17,892 | (26.0) |
Age, median (25%, 75%) | ||||||||
79 | (67, 86) | 78 | (66, 86) | 67 | (56, 77) | 81 | (72, 88) | |
Age category, no. (%) | ||||||||
0–15 years | 513 | (0.6) | 68 | (2.6) | 126 | (0.6) | 319 | (0.5) |
16–45 years | 4338 | (4.7) | 152 | (5.8) | 2328 | (11.3) | 1858 | (2.7) |
45–74 years | 31,562 | (34.3) | 820 | (31.2) | 11,770 | (56.9) | 18,972 | (27.6) |
≧ 75 years | 55,582 | (60.4) | 1586 | (60.4) | 6449 | (31.2) | 47,547 | (69.2) |
Sex, no. (%) | ||||||||
Male | 55,993 | (60.9) | 1503 | (57.2) | 16,348 | (79.1) | 38,142 | (55.5) |
Types of bystanders, no. (%) | ||||||||
Family member | 57,600 | (62.6) | 1099 | (41.9) | 10,882 | (52.6) | 45,619 | (66.4) |
Bystander interventions, no. (%) | ||||||||
Conventional CPR | 9219 | (10.0) | 449 | (17.1) | 2766 | (13.4) | 6004 | (8.7) |
Chest-compression-only CPR | 37,756 | (41.0) | 1482 | (56.4) | 9698 | (46.9) | 26,576 | (38.7) |
PAD | 3210 | (3.5) | 0 | (0.0) | 3210 | (15.5) | 0 | (0.0) |
Dispatcher’s intervention, no. (%) | ||||||||
Dispatcher assistance | 43,671 | (47.5) | 1087 | (41.4) | 10,148 | (49.1) | 32,436 | (47.2) |
Response interval, median (25%, 75%) | ||||||||
8 | (7, 10) | 8 | (6, 10) | 8 | (6, 10) | 9 | (7, 11) | |
Outcomes, no. (%) | ||||||||
Field ROSC | 15,472 | (16.8) | 1765 | (67.2) | 7509 | (36.3) | 6198 | (9.0) |
Favourable CPC | 6932 | (7.5) | 1030 | (39.2) | 5003 | (24.2) | 899 | (1.3) |