2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | p value for trend | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of admissions after cardiac arrest, n (%) | 2446 (3.1) | 2424 (3.0) | 2364 (2.9) | 2418 (2.7) | 2453 (2.5) | 2704 (2.5) | 3178 (2.4) | 3366 (2.2) | 3,843 (2.4) | 4083 (2.5) | 4517 (2.4) | <0.001 |
Age, mean (SD) | 64 (16.3) | 63 (16.7) | 65 (15.6) | 64 (16.3) | 64 (16.5) | 64 (16.2) | 64 (15.8) | 64 (15.6) | 65 (15.3) | 65 (15.2) | 65 (15.3) | <0.001 |
Gender, males n (%) | 1404 (57.4) | 1400 (57.8) | 1413 (59.8) | 1439 (59.5) | 1496 (61.0) | 1623 (60.0) | 1893 (59.6) | 2059 (61.2) | 2399 (62.4) | 2554 (62.6) | 2916 (64.6) | <0.001 |
ICNARC Physiology Score, mean (SD) | 29 (11.2) | 29 (10.9) | 29 (11.1) | 29 (10.9) | 29 (10.6) | 29 (10.5) | 29 (10.4) | 29 (10.2) | 29 (10.1) | 29 (10.4) | 28 (10.5) | 0.121 |
Critical care unit length of stay, mean (SD) | 5 (9.0) | 6 (10.1) | 5 (8.5) | 5 (9.5) | 6 (10.1) | 6 (9.9) | 6 (10.4) | 7 (12.2) | 6 (9.4) | 6 (9.4) | 6 (10.5) | <0.001* |
Critical care unit length of stay, median (IQR) | 2.0 (0.6 5.8) | 2.2 (0.7 6.3) | 2.0 (0.6 5.9) | 2.2 (0.8 6.0) | 2.5 (0.8 7.1) | 2.5 (0.9 6.9) | 2.7 (0.9 6.7) | 2.9 (1.0 7.1) | 3.2 (1.1 7.4) | 3.1 (1.0 7.3) | 3.2 (1.1 7.4) | <0.001* |
Hospital length of stay, mean (SD) | 22 (35.8) | 24 (39.7) | 21 (32.3) | 23 (34.2) | 22 (33.0) | 22 (37.5) | 23 (43.9) | 23 (37.4) | 22 (33.1) | 22 (35.9) | 21 (33.4) | 0.1128 * |
Hospital length of stay, median (IQR) | 10.0 (3.0 27.0) | 11.0 (3.0 28.0) | 10.0 (3.0 26.0) | 11.0 (3.0 26.0) | 11.0 (4.0 28.0) | 11.0 (3.0 26.0) | 10.0 (3.0 26.0) | 11.0 (4.0 27.0) | 11.0 (4.0 27.0) | 10.0 (4.0 26.0) | 11.0 (4.0 25.0) | 0.1128 * |
lowest temperature of ≤ 34 °C 24 h n (%) | 200 (8.6) | 237 (10.2) | 293 (12.9) | 352 (15.0) | 464 (19.3) | 575 (21.5) | 817 (26.2) | 997 (30.0) | 1305 (34.5) | 1,420 (35.3) | 1014 (22.8) | <0.001 |
Treatment withdrawn n (%) | 672 (27.5) | 638 (26.3) | 602 (25.5) | 628 (26.0) | 682 (27.8) | 786 (29.1) | 927 (29.2) | 923 (27.4) | 1149 (29.9) | 1,198 (29.4) | 1336 (29.6) | <0.001 |
Time to treatment withdrawn (days) mean (sd) | 4 (6.6) | 4 (5.2) | 4 (5.6) | 4 (5.4) | 5 (6.5) | 5 (7.2) | 5 (8.8) | 5 (7.3) | 5 (6.5) | 5 (6.9) | 5 (6.1) | <0.001* |
Time to treatment withdrawn (days) median (IQR) | 2.4 (1.5 4.3) | 2.4 (1.5 4.6) | 2.4 (1.6 4.8) | 2.5 (1.6 4.6) | 2.6 (1.5 5.4) | 2.7 (1.8 5.1) | 2.9 (1.8 5.3) | 3.2 (1.8 5.5) | 3.3 (1.9 5.8) | 3.2 (1.9 6.4) | 3.4 (2.0 6.3) | <0.001* |
Solid organ donor n (%)** | 25 (1.5) | 17 (1.1) | 17 (1.1) | 24 (1.6) | 30 (1.9) | 45 (2.6) | 38 (1.9) | 50 (2.5) | 73 (3.2) | 85 (3.5)] | 104 (3.9) | <0.001 |
ICU mortality, n (%) | 1406 (57.5) | 1308 (54.0) | 1302 (55.1) | 1234 (51.0) | 1281 (52.2) | 1434 (53.1) | 1662 (52.3) | 1631 (48.5) | 1909 (49.7) | 2023 (49.6) | 2235 (49.5) | <0.001 |
Hospital mortality, n (%) | 1683 (70.4) | 1592 (66.7) | 1593 (68.8) | 1526 (64.2) | 1555 (64.6) | 1719 (64.5) | 1988 (63.4) | 1965 (59.2) | 2280 (60.0) | 2400 (59.5) | 2687 (60.3) | <0.001 |
Survivors discharged home, n (%)*** | 521 (68.3) | 583 (70.1) | 530 (68.7) | 622 (69.7) | 624 (69.5) | 681 (69.1) | 839 (70.5) | 1012 (72.2) | 1136 (72.7) | 1209 (71.8) | 1292 (70.6) | 0.559 |