Arrest at night, n (%)
|
218 (64)
|
29 (58)
|
189 (65)
|
0.34
|
Arrest at the weekend, n (%)
|
105 (31)
|
17 (34)
|
88 (30)
|
0.62
|
Arrest location, n (%)
| | | |
0.69
|
Intensive care unit
|
151 (44)
|
23 (46)
|
128 (44)
|
General ward
|
171 (50)
|
26 (52)
|
145 (50)
|
Others
|
18 (5)
|
1 (2)
|
17 (6)
| |
Witnessed arrest, n (%)
|
241 (71)
|
35 (70)
|
206 (71)
|
0.87
|
Monitored status, n (%)
|
199 (59)
|
28 (56)
|
171 (59)
|
0.76
|
Shockable rhythm, n (%)
|
49 (14)
|
14 (28)
|
35 (12)
|
0.007
|
Critical care interventions in place at time of arrest, n (%)
|
Mechanical ventilation
|
64 (19)
|
7 (14)
|
57 (20)
|
0.44
|
Anti-arrhythmics
|
30 (9)
|
5 (10)
|
25 (9)
|
0.79
|
Vasopressors
|
154 (45)
|
16 (32)
|
138 (48)
|
0.05
|
Dialysis
|
23 (7)
|
2 (4)
|
21 (7)
|
0.55
|
Pulmonary artery catheter
|
2 (0.6)
|
2 (4)
|
0 (0)
|
0.02
|
Intra-aortic balloon pumping
|
1 (0.3)
|
0 (0)
|
1 (0.3)
|
1
|
Lactate, mmol/L, mean (SD)
|
9.6 (4.6)
|
7.2 (4.1)
|
10.0 (4.5)
|
<0.001
|
CPR duration, minutes, mean (SD)
|
28.8 (26.9)
|
12.4 (12.8)
|
31.6 (27.7)
|
<0.001
|
Post-ROSC interventions, n (%)
|
Extracorporeal membrane oxygenation
|
20 (6)
|
3 (6)
|
17 (6)
|
1
|
Therapeutic hypothermia
|
1 (0.3)
|
0 (0)
|
1 (0.3)
|
1
|
Percutaneous coronary intervention
|
8 (2)
|
3 (6)
|
5 (2)
|
0.10
|