|
Age, y, mean (SD)
|
65.9 (16.2)
|
65.2 (16.2)
|
66.0 (16.2)
|
0.75
|
|
Male, n (%)
|
214 (63)
|
37 (74)
|
177 (61)
|
0.08
|
|
Comorbidities, n (%)
| | | | |
|
Heart failure
|
93 (27)
|
17 (34)
|
76 (26)
|
0.30
|
|
Myocardial infarction
|
45 (13)
|
9 (18)
|
36 (12)
|
0.27
|
|
Arrhythmia
|
55 (16)
|
11 (22)
|
44 (15)
|
0.22
|
|
Hypotension
|
68 (20)
|
8 (16)
|
60 (21)
|
0.57
|
|
Respiratory insufficiency
|
236 (69)
|
34 (68)
|
202 (70)
|
0.87
|
|
Renal insufficiency
|
138 (41)
|
22 (44)
|
116 (40)
|
0.64
|
|
Hepatic insufficiency
|
64 (19)
|
4 (8)
|
60 (21)
|
0.03
|
|
Metabolic or electrolyte abnormality
|
66 (19)
|
9 (18)
|
57 (20)
|
1
|
|
Diabetes mellitus
|
112 (33)
|
23 (46)
|
89 (31)
|
0.05
|
|
Baseline evidence of motor, cognitive, or functional deficits
|
63 (19)
|
12 (24)
|
51 (18)
|
0.32
|
|
Acute stroke
|
16 (5)
|
3 (6)
|
13 (5)
|
0.71
|
|
Favorable neurological status 24 hours before cardiac arrest
|
143 (42)
|
25 (50)
|
118 (41)
|
0.28
|
|
Pneumonia
|
111 (33)
|
19 (38)
|
92 (32)
|
0.42
|
|
Metastatic cancer or any blood-borne malignancy
|
68 (20)
|
6 (12)
|
62 (21)
|
0.18
|
