|
Location and time of the arrest, number (percentage)
| | | |
|
Location
| | |
<0.001
|
|
Floor without telemetry
|
15,855 (16.6)
|
1,025 (24.6)
| |
|
Floor with telemetry
|
16,710 (17.4)
|
730 (17.5)
| |
|
Intensive care unit
|
45,011 (47.0)
|
1,597 (38.3)
| |
|
Emergency department
|
10,363 (10.8)
|
544 (13.0)
| |
|
Other
|
6,974 (7.6)
|
276 (6.6)
| |
|
Time of day
| | |
<0.001
|
|
Day (7 a.m. -10:59 p.m.)
|
63,897 (67.6)
|
2,666 (64.5)
| |
|
Night (11 p.m.-6:59 a.m.)
|
30,673 (32.4)
|
1,467 (35.5)
| |
|
Time of week, number (percentage)
| | |
0.30
|
|
Weekday (Monday-Friday)
|
65,269 (68.8)
|
2,818 (68.0)
| |
|
Weekend (Saturday-Sunday)
|
29,642 (31.2)
|
1,326 (32.0)
| |
|
Hospital-wide response called, number (percentage)
|
76,720 (80.0)
|
3,361 (80.5)
|
0.40
|
|
Characteristic of the arrest
| | | |
|
Monitoring, number (percentage)
|
78,166 (81.6)
|
3,053 (73.2)
|
<0.001
|
|
Witnessed, number (percentage)
|
78,262 (81.7)
|
3,050 (73.1)
|
<0.001
|
|
First rhythm shockable (VT or VF), number (percentage)
|
18,340 (20.3)
|
517 (13.0)
|
<0.001
|
|
Mechanical ventilation in place, number (percentage)
|
27,928 (29.1)
|
1,103 (26.4)
|
<0.001
|
|
Airway inserted during event, number (percentage)
|
51,028 (53.3)
|
2,680 (64.2)
|
<0.001
|
|
Presumed cause(s) of arrest, number (percentage)
| | | |
|
Arrhythmia
|
56,147 (58.9)
|
2,215 (53.4)
|
<0.001
|
|
Hypotension/Hypoperfusion
|
37,571 (39.4)
|
1,596 (38.5)
|
0.22
|
|
Active/Evolving MI
|
8,919 (9.4)
|
270 (6.5)
|
<0.001
|
|
Acute respiratory insufficiency
|
37,064 (38.9)
|
1,670 (40.3)
|
0.08
|
|
Metabolic/Electrolyte abnormality
|
10,809 (11.4)
|
860 (20.7)
|
<0.001
|
|
Other
|
7,619 (8.0)
|
345 (8.3)
|
0.46
|
|
Unknown
|
10,340 (10.9)
|
578 (13.9)
|
<0.001
|
|
Downtime in minutes, median (IQR)
|
12 (6–21)
|
18 (10–27)
|
<0.001
|
|
Medications given during the event, number (percentage)
| | | |
|
Amiodarone
|
14,806 (15.5)
|
703 (16.9)
|
0.01
|
|
Epinephrine
|
84,336 (88.0)
|
4,019 (96.3)
|
<0.001
|
|
Atropine
|
67,947 (70.9)
|
3,490 (83.6)
|
<0.001
|
|
Magnesium sulfate
|
7,156 (7.5)
|
567 (13.6)
|
<0.001
|
|
Lidocaine
|
10,152 (10.6)
|
381 (9.1)
|
0.003
|
|
Sodium bicarbonate
|
43,775 (45.7)
|
3,111 (74.6)
|
<0.001
|
|
Fluid bolus
|
28,011 (29.2)
|
1,452 (34.7)
|
<0.001
|
|
Calcium chloride/gluconate
|
20,188 (21.1)
|
1,955 (46.9)
|
<0.001
|
|
Norepinephrine
|
12,500 (13.0)
|
675 (16.2)
|
<0.001
|
|
Dopamine
|
23,078 (24.1)
|
1,037 (24.1)
|
0.25
|
|
Hospital characteristics, number (percentage)
| | | |
|
Bed size
| | |
<0.001
|
|
1-249
|
23,450 (24.2)
|
908 (21.7)
| |
|
250-499
|
44,001 (45.9)
|
1,836 (44.0)
| |
|
500+
|
28,408 (29.6)
|
1,429 (34.1)
| |
|
Teaching status
| | |
<0.001
|
|
Major
|
25,246 (26.3)
|
1,527 (36.6)
| |
|
Minor
|
33,930 (35.3)
|
1,162 (27.7)
| |
|
Non-teaching
|
36,680 (38.2)
|
1,484 (35.4)
| |
|
Ownership
| | |
<0.001
|
|
Private
|
12,247 (12.8)
|
540 (12.9)
| |
|
Government
|
14,407 (15.0)
|
899 (21.5)
| |
|
Non-profit
|
69,202 (72.2)
|
2,734 (65.5)
| |
|
Location
| | |
<0.001
|
|
Rural
|
6,274 (6.5)
|
216 (5.2)
| |
|
Urban
|
89,582 (93.5)
|
3,957 (94.8)
| |
|
Geographical location
| | |
<0.001
|
|
North-East
|
10,484 (10.9)
|
491 (11.7)
| |
|
South-East
|
26,019 (27.1)
|
1,125 (26.9)
| |
|
Mid-West
|
23,539 (21.0)
|
1,099 (26.9)
| |
|
South-West
|
19,998 (20.9)
|
864 (21.4)
| |
|
West
|
15,816 (16.5)
|
564 (13.5)
| |
