2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | p value for trend | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of admissions after cardiac arrest, n (%) | 1582 (2.0) | 1592 (2.0) | 1643 (2.0) | 1938 (2.2) | 2384 (2.4) | 2519 (2.3) | 2926 (2.2) | 3334 (2.2) | 3632 (2.2) | 3924 (2.4) | 4147 (2.2) | <0.001 |
Age, mean (SD) | 60 (17.7) | 61 (17.4) | 61 (16.6) | 60 (18.4) | 60 (17.3) | 60 (17.2) | 61 (16.9) | 61 (17.2) | 61 (17.8) | 61 (17.9) | 61 (17.8) | 0.478 |
Gender, males n (%) | 954 (60.3) | 1000 (62.8) | 1022 (62.2) | 1224 (63.2) | 1529 (64.1) | 1614 (64.1) | 1878 (64.2) | 2139 (64.2) | 2382 (65.6) | 2537 (64.7) | 2626 (63.3) | 0.006 |
ICNARC Physiology Score, mean (SD) | 28 (10.0) | 28 (10.1) | 28 (10.3) | 28 (10.0) | 28 (10.0) | 28 (9.9) | 29 (9.9) | 29 (9.6) | 29 (9.9) | 30 (10.0) | 29 (10.5) | <0.001 |
Critical care unit length of stay, mean (SD) | 4 (6.8) | 4 (5.9) | 4 (5.9) | 5 (7.3) | 4 (6.5) | 5 (6.8) | 5 (7.4) | 5 (7.7) | 5 (7.4) | 5 (8.1) | 5 (8.7) | <0.001* |
Critical care unit length of stay, median (IQR) | 1.9 (0.8 4.2) | 2.0 (0.8 4.1) | 2.1 (0.9 4.5) | 2.3 (1.0 5.0) | 2.3 (1.0 4.8) | 2.6 (1.1 5.1) | 2.6 (1.0 5.3) | 2.8 (1.1 5.7) | 2.8 (1.2 5.7) | 2.9 (1.1 5.8) | 2.7 (1.0 5.9) | <0.001* |
Hospital length of stay, mean (SD) | 13 (28.5) | 14 (26.6) | 14 (24.1) | 14 (25.5) | 14 (27.2) | 15 (30.3) | 14 (30.3) | 14 (27.8) | 13 (25.7) | 13 (24.9) | 14 (25.3) | 0.0020* |
Hospital length of stay, median (IQR) | 3.0 (1.0 12.0) | 3.5 (1.0 14.0) | 4.0 (1.0 16.0) | 4.0 (1.0 15.0) | 4.0 (1.0 16.0) | 5.0 (1.0 15.0) | 4.0 (1.0 15.0) | 5.0 (2.0 15.0) | 5.0 (1.0 16.0) | 4.0 (1.0 15.0) | 5.0 (1.0 14.0) | 0.0020* |
lowest temperature of ≤ 34 °C 24 h n (%) | 202 (13.1) | 250 (16.2) | 377 (23.5) | 654 (34.5) | 964 (41.0) | 1160 (46.4) | 1495 (51.5) | 1870 (56.7) | 2143 (59.5) | 2344 (60.2) | 1603 (38.9) | <0.001 |
Treatment withdrawn n (%) | 498 (31.5) | 483 (30.3) | 512 (31.2) | 573 (29.6) | 753 (31.6) | 807 (32.0) | 972 (33.2) | 1171 (35.1) | 1240 (34.1) | 1394 (35.6) | 1444 (34.8) | <0.001 |
Time to treatment withdrawn (days) mean (SD) | 3 (3.8) | 3 (3.1) | 4 (3.2) | 4 (4.1) | 4 (2.8) | 4 (3.4) | 4 (3.3) | 4 (4.4) | 4 (3.8) | 5 (4.6) | 4 (4.0) | <0.001* |
Time to treatment withdrawn (days) median (IQR) | 2.5 (1.7 3.9) | 2.6 (1.9 3.7) | 2.5 (1.9 4.1) | 2.7 (1.8 4.2) | 2.9 (2.0 4.3) | 2.9 (1.9 4.5) | 3.2 (2.0 4.7) | 3.3 (2.1 5.2) | 3.2 (2.1 5.0) | 3.3 (2.1 5.5) | 3.3 (2.0 5.4) | <0.001* |
Solid organ donor n (%)** | 34 (3.1) | 22 (2.1) | 33 (3.1) | 50 (4.0) | 77 (5.1)] | 90 (5.6) | 126 (6.6) | 155 (7.4) | 198 (8.7) | 217 (8.4) | 278 (10.1) | <0.001 |
ICU mortality, n (%) | 919 (58.1) | 856 (53.8) | 859 (52.3) | 1009 (52.1) | 1248 (52.3) | 1348 (53.5) | 1620 (55.4) | 1800 (54.0) | 1957 (53.9) | 2255 (57.5) | 2361 (56.9) | <0.001 |
Hospital mortality, n (%) | 1098 (70.1) | 1059 (67.5) | 1076 (66.3) | 1251 (65.3) | 1514 (64.4) | 1617 (64.8) | 1917 (65.9) | 2089 (63.1) | 2287 (63.2) | 2590 (66.3) | 2739 (66.4) | 0.024 |
Survivors discharged home, n (%)*** | 354 (73.1) | 375 (70.4) | 383 (67.6) | 440 (64.0) | 550 (63.2) | 575 (63.7) | 654 (64.8) | 817 (65.6) | 850 (63.2) | 842 (63.1) | 881 (62.6) | <0.001 |