Table 1 Episode and time characteristics vs. outcome
From: The early minutes of in-hospital cardiac arrest: Shock or CPR? A population based prospective study
| Â | All episodes* n = 221 | Dead on scene n = 132 | ROSC n = 57 | Survived the episode* n = 32 |
|---|---|---|---|---|
Episode characteristics | Â | Â | Â | Â |
Location of arrest | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
Collapse-to-defibrillation, VF/VT | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
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) |