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Episode and time characteristics vs. outcome |
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| All episodes* n = 221 |
Dead on scene n = 132 |
ROSC n = 57 |
Survived the episode* n = 32 |
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| Episode characteristics |
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| Location of arrest |
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| ICU/CCU |
27 (12%) |
16 |
8 |
3 (11%, 4 to 28%) |
| Other (mainly wards) |
160 (72%) |
102 |
40 |
18 (11%, 7 to 17%) |
| Emergency department |
34 (15%) |
14 |
9 |
11 (32%, 19 to 49%) |
| Witnessed |
163 (74%) |
94 |
43 |
26 (16%, 11 to 22%) |
| CPR quality |
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| 2 – Good |
123 (56%) |
74 |
35 |
14 (11%, 7 to 18%) |
| 1 – Intermediate |
63 (28%) |
41 |
13 |
9 (14%, 8 to 25%) |
| 0 – None |
35 (16%) |
17 |
9 |
9 (26%, 14 to 42%) |
| Presenting rhythm |
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| VF/VT |
90 (41%) |
29 |
31 |
30 (33%, 24 to 44%) |
| Asystole |
66 (30%) |
49 |
16 |
1 (2%, 0 to 8 %) |
| PEA |
65 (29%) |
54 |
10 |
1 (2%, 0 to 8 %) |
| Time characteristics |
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| Collapse-to-defibrillation, VF/VT |
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| Median with IQR (minutes) |
4.0 (1.25, 6.75) |
6.0 (3.5, 8) |
4.0 (2.0, 6.0) |
2.0 (1.0, 4.0) |
| Collapse-to-BLS, VF/VT |
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| Median with IQR (minutes) |
1.0 (0.0, 2.0) |
1.0 (0.0, 2.0) |
1.0 (0.0, 1.0) |
1.0 (0.0, 2.0) |
| Collapse-to-BLS, PEA/ASY |
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| Median with IQR (minutes) |
1.0 (0.0, 2.0) |
1.0 (0.0, 2.0) |
1.0 (0.0, 4.0) |
0.5 (0.25, 0.75) |
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*The number of episodes (n = 221) is higher than the number of patients (n = 217), as two patients arrested more than once (see text). ** Numbers in parenthesis are percentages with 95% confidence intervals | ||||
Skogvoll and Nordseth Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2008 16:11 doi:10.1186/1757-7241-16-11 |
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