Table 1 Comparison of case characteristics between Republic of Ireland and Sweden – all Cases, Utstein and EMS-witnessed subgroups
All cases | Utstein subgroupc | EMS-witnessed subgroup | ||||
|---|---|---|---|---|---|---|
Ireland | Sweden | Ireland | Sweden | Ireland | Sweden | |
Number of patients | (n = 5886) | (n = 15,303) | (n = 920) | (n = 2015) | (n = 335) | (n = 2211) |
Patient and scene characteristics | ||||||
Median age in years (inter-quartile range) | 66 (52–78) | 71 (60–81) | 65 (55–75) | 69 (60–77) | 69 (58–81) | 74 (64–84) |
Male (%) | 67.9 | 66.6 | 78.8 | 82.3 | 208 (62.1) | 1348 (61.0) |
Incident occurred outside home (%) | 32.7 | 30.1 | 51.6 | 59.1 | 174 (51.9) | 1158 (53.7) |
Presumed medical (%) | 88.0 | 89.7 | NA | NA | 305 (91.0) | 2086 (94.3) |
Initial rhythm shockable (%) | 23.7 | 23.7 | NA | NA | 107 (33.1) | 496 (28.7) |
Witness status (%) | NA | NA | NA | NA | ||
Not witnessed (%) | 40.5 | 33.7 | NA | NA | NA | NA |
Bystander (%) | 53.5 | 51.1 | NA | NA | NA | NA |
Crew (%) | 5.9 | 15.2 | NA | NA | NA | NA |
Interventions | ||||||
CPR before ambulance arrival (%)a | 66.3 | 68.8 | 79.6 | 80.2 | NA | NA |
Who started CPR before ambulance arrival (%) | ||||||
Bystander, not dispatched (%) | 60.7 | 56.9 | 44.3 | 52.4 | NA | NA |
Trained, may be dispatched by ambulance control (%) | 33.5 | 12.8 | 31.9 | 9.9 | NA | NA |
Fire service (%)b | 2.8 | 28.2 | 1.9 | 16.3 | NA | NA |
Police or fire and police (%) | 2.1 | 3.0 | 1.5 | 1.6 | NA | NA |
Defibrillation before ambulance arrival (%)a | 5.6 | 7.3 | 22.8 | 23.4 | NA | NA |
EMS call-response interval in minutes (median)a | 13 (8–20) | 10 (6–15) | 12 (8–18) | 8 (5–14) | NA | NA |
Epinephrine (%) | 63.8 | 80.1 | 65.7 | 80.4 | 58.1 | 66.3 |
Mechanical CPR (%) | 4.6 | 35.9 | 4.9 | 41.1 | 7.8 | 25.8 |
Transported to hospital | 53.8 | 60.9 | 75.7 | 84.2 | 74.9 | 83.4 |
Outcomes | ||||||
Any ROSC | 23.2 | 32.8 | 45.9 | 54.9 | 42.3 | 45.1 |
ROSC at hospital arrival or arrived at hospital alive | 16.9 | 24.4 | 37.1 | 49 | 32.1 | 35.4 |
Discharged alive from hospital | 6.0 | UAc | 22.2 | UA | 16.8 | UA |
Alive at 30 days | UA | 11.2 | UA | 31.7 | UA | 20.0 |
Discharged alive or alive at 30 days | 6.0 | 11.2 | 22.2 | 31.7 | 16.8 | 20.0 |