Table 2.
Differences in characteristics for 30-day survivors or not among 1764 prehospital traumatic cardiac arrests (TCA) in the Swedish Registry of Cardiopulmonary Resuscitation between 1990 and 2016
| 30-day survivors 65 (100) | Non-survivors 1699 (100) | P-value* | |
|---|---|---|---|
| Sex | |||
| Male | 52 (80) | 1290 (76) | 0.51 |
| Age | |||
| Years, mean (SD) | 46 (21) | 52 (33) | 0.14 |
| Witnessed by | |||
| Crew | 10 (15) | 239 (14) | 0.76 |
| Bystander | 39 (60) | 671 (39) | < 0.01 |
| None | 9 (14) | 609 (36) | 0.01 |
| CPR before arrival of EMS | |||
| Yes | 37 (57) | 701 (41) | < 0.01 |
| Initial rhythm | |||
| Shockable | 29 (44) | 134 (8) | < 0.01 |
| Place of OHCA | |||
| Public or other area | 56 (86) | 1340 (79) | 0.19 |
| Time intervals in minutes (median) | |||
| Collapse to call | 1 | 2 | 0.03 |
| Collapse to start of CPR | 1,5 | 4 | 0.02 |
| Collapse to defibrillation | 8 | 13 | 0.05 |
| Call to arrival of EMS | 7 | 10 | 0.02 |
| Treatment | |||
| Adrenaline | 28 (43) | 1038 (61) | < 0.01 |
| Intubation | 21 (32) | 768 (45) | 0.05 |
*P-value assessed with two-sided Chi2 test or Students t-tes0