Table 1.
Population and resuscitation characteristics among the two different CPR scenarios
| Total N = 968 |
Activated N = 492 |
Not activated N = 476 |
P-value | |
|---|---|---|---|---|
| Demographic variables | ||||
| Age, mean (SD), years, n = 966 | 67.1 (±15.4) | 67.9 (±14.1) | 66.2 (±16.6) | 0.088 |
| Gender, male, No. (%), n = 968 | 666 (68.8) | 347 (70.5) | 319 (67.0) | 0.238 |
| Resuscitation variables | ||||
| Location of the arrest, No. (%), n = 967 | <0.001 | |||
| At home | 727 (75.2) | 413 (83.9) | 314 (66.1) | |
| Outside home | 240 (24.8) | 79 (16.1) | 161 (33.9) | |
| Witness, yes, No. (%), n = 968 | 748 (77.3) | 369 (75.0) | 379 (79.6) | 0.086 |
| BLS started by, No. (%), n = 959 | <0.001 | |||
| Witness | 297 (31.0) | 178 (36.5) | 119 (25.3) | |
| Bystander | 193 (20.1) | 119 (24.4) | 74 (15.7) | |
| EMS | 319 (33.3) | 75 (15.4) | 244 (51.8) | |
| TM responder | 86 (9.0) | 86 (17.6) | 0 (0.0) | |
| First respondera | 60 (6.3) | 30 (6.1) | 30 (6.4) | |
| Noneb | 4 (0.4) | 0 (0.0) | 4 (0.8) | |
| Ambulance times | ||||
| Time until arrival of first ambulance, n = 953 | 0.037 | |||
| ≤6 minutes | 217 (22.8) | 128 (26.6) | 89 (18.9) | |
| 7–8 minutes | 234 (24.6) | 116 (24.1) | 118 (25.1) | |
| 9–10 minutes | 227 (23.8) | 105 (21.8) | 122 (25.9) | |
| ≥11 minutes | 275 (28.9) | 133 (27.6) | 142 (30.1) | |
| Shock delivered, No. (%), n = 968 | 512 (52.9) | 278 (56.5) | 234 (49.2) | 0.022 |
BLS basic life support, CPR cardiopulmonary resuscitation, EMS emergency medical system, SD standard deviation, TM text message
aOn-duty police officer or firefighter notified to go to the resuscitation scene.
bPatients not being resuscitated because of a do-not-resuscitate policy