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Table 3 Trends in characteristics and mortality for ICU admissions following in-hospital cardiac arrest

From: Increasing survival after admission to UK critical care units following cardiopulmonary resuscitation

 

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Treatment withdrawn n (%)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Time to treatment withdrawn (days) mean (sd)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Time to treatment withdrawn (days) median (IQR)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

  1. ICU intensive care unit, ICNARC Intensive Care National Audit & Research Centre, IQR interquartile range, SD standard deviation
  2. *Jonckheere-Terpstra test; ** percentage of hospital deaths; ***percentage of hospital survivors