Table 1 Characteristics of 72,547 medical out-of-hospital cardiac arrests (OHCA) compared to 1774 traumatic cardiac arrests (TCA) in the Swedish Registry of Cardiopulmonary Resuscitation between 1990 and 2016
From: Traumatic cardiac arrest in Sweden 1990-2016 - a population-based national cohort study
TCA Number (%) 1774 (100) | Medical OHCA Number (%) 72,547 (100) | P-value* | |
|---|---|---|---|
Sex | |||
Male | 1385 (78) | 49,940 (69) | < 0.01 |
Missing | 45 (3) | 1543 (2) | |
Age | |||
Years, mean (SD) | 51 (23) | 70 (16) | < 0.01 |
Missing | 281 (16) | 2177 (3) | |
Witnessed by | |||
Crew | 253 (14) | 10,277 (14) | 0.34 |
Bystander | 735 (41) | 38,863 (54) | < 0.01 |
None | 642 (36) | 20,931 (29) | < 0.01 |
Missing for “None” | 144 (8) | 2476 (3) | < 0.01 |
CPR before arrival of EMS | |||
Yes | 770 (56a) | 31,563 (53a) | 0.01 |
Missing | 31 (2) | 1142 (2) | |
Initial rhythm | |||
Shockable | 165 (9) | 20,361 (28) | < 0.01 |
Missing | 179 (10) | 5924 (8) | < 0.01 |
Place of OHCA | |||
Public or other area | 1440 (81) | 24,278 (33) | < 0.01 |
Missing | 15 (< 1) | 454 (< 1) | |
Time intervals in minutes (median) | |||
Collapse to call b | 2 | 3 | < 0.01 |
Collapse to start of CPR b | 4 | 5 | < 0.01 |
Collapse to defibrillation b | 12 | 12 | 0.82 |
Call to arrival of EMS | 10 | 8 | < 0.01 |
Treatment | |||
Adrenaline | 1102 (62) | 54,325 (75) | < 0.01 |
Missing adrenaline | 12 (< 1) | 442 (< 1) | |
Intubation | 812 (46) | 32,728 (45) | 0.73 |
Missing intubation | 8 (< 1) | 439 (< 1) | |
Survival to 30 days | 65 (4) | 5941 (8) | < 0.01 |
Missing survival info | 10 (1) | 829 (1) | |