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| |
No (%) of Patients
| |
|---|
|
Variables
|
All Patients
|
Non-EMS
|
EMS
|
p-value*
|
|---|
| |
(n = 310)
|
(n = 181)
|
Ambulance without life-support (n = 102)
|
Ambulance with life-support (n = 27)
| |
|---|
|
Time(min) to reach hospital
|
|
Median (IQR)
|
25 (15, 35)
|
23 (15, 30)
|
30 (20, 40.2)
|
30 (18, 45)
|
<0.001
|
|
Life-support interventions
|
|
Pre-hospital
|
25 (8.1)
|
2 (1.1)
|
2 (2.0)
|
21 (77.8)
| |
|
Hospital
|
48 (15.5)
|
34 (18.8)
|
12 (11.8)
|
2 (7.4)
|
<0.001
|
|
None
|
237 (76.5)
|
145 (80.1)
|
88 (86.3)
|
4 (14.8)
| |
|
Time to first intervention
|
|
Median (IQR)
|
20.5 (12, 34.7)
|
18 (11, 30)
|
26 (17.2,51)
|
15 (9, 44)
|
0.01
|
|
Time to first CPR
|
|
Median(IQR)
|
20 (12.2, 37.7)
|
19 (11.2, 28)
|
42 (22, 55)
|
16 (11, 44)
|
0.01
|
|
First rhythm
|
|
Shockable
|
3 (1.0)
|
3 (1.7)
|
0 (0.0)
|
0 (0)
|
0.01
|
|
Non shockable
|
277 (89.4)
|
168 (92.8)
|
84 (82.4)
|
25 (92.6)
| |
|
Not recorded
|
30 (9.7)
|
10 (5.5)
|
18 (17.6)
|
2 (7.4)
| |
|
CPR
|
|
Pre-hospital
|
23 (7.4)
|
2 (1.1)
|
2 (2.0)
|
19 (70.4)
|
<0.001
|
|
Hospital
|
48 (15.5)
|
33 (18.2)
|
11 (10.8)
|
4 (14.8)
| |
|
None
|
239 (77.1)
|
146 (80.7)
|
89 (87.3)
|
4 (14.8)
| |
|
Defibrillation
|
|
Pre-hospital
|
1 (0.3)
|
0 (0.0)
|
0 (0.0)
|
1 (3.7)
|
0.02
|
|
Hospital
|
95 (30.6)
|
56 (30.9)
|
33 (32.4)
|
6 (22.2)
| |
|
None
|
214 (69.0)
|
125 (69.1)
|
69 (67.6)
|
20 (74.1)
| |
-
Abbreviations: EMS emergency medical services, IQR interquartile range, CPR cardiopulmonary resuscitation
- *Shows comparison between Non-EMS, EMS without any life-support interventions and EMS with life-support interventions
