Table 2.
Additional descriptive event statistics
| Total n=433 no. (%) | |
| Age, mean (range) | 64.7 year (0–100 year] |
| Average response time (from start call to arrival of ambulance) | 9 min (±3 min) |
| Tools/devices used (multiple entry) | |
| LUCAS | 328 (76%) |
| Boussignac tube | 290 (67%) |
| Endotracheal tube | 32 (7%) |
| Laryngeal mask airway-Supreme | 63 (15%) |
| Mask/bag | 351 (81%) |
| EZ-IO intraosseous access | 114 (26%) |
| None | 31 (7%) |
| Awareness signs during LUCAS CPR | |
| None | 275 (84%) |
| Any sign (multiple entry) | 53 (16%) |
| Grimas face | 29 (9%) |
| (Motoric) restlessness | 23 (7%) |
| Trismus | 13 (4%) |
| Open eyes | 18 (5%) |
| Time from collapse to bystander Basic Life Support | |
| <1 min | 80 (27%) |
| 1–5 min | 136 (46%) |
| 6–10 min | 46 (16%) |
| 11–20 min | 12 (4%) |
| >20 min | 20 (7%) |
| No. of defibrillations on scene | |
| 0 | 172 (40%) |
| 1 | 84 (19%) |
| 2 | 42 (10%) |
| 3 | 30 (7%) |
| 4 | 19 (4%) |
| 5 | 20 (5%) |
| 6 or more | 66 (15%) |
| Observed suspected complications during and after LUCAS applying | |
| None | 182 (55%) |
| Any (multiple entry) | 146 (45%) |
| Excoriation sternum | 85 (26%) |
| Rib fracture | 46 (14%) |
| Lung secretions | 18 (5%) |
| Lung bleeding (no major) | 3 (1%) |
| Other | 9 (3%) |
| Parameters during CPR | |
| SpO2 not measurable/not measured | 231 (53%) |
| SpO2 measured | 202 (47%) |
| <70% | 42 (10%) |
| 70%–80% | 33 (8%) |
| 81%–90% | 36 (8%) |
| >90% | 91 (21%) |
| CO2 not measurable/not measured | 111 (26%) |
| CO2 measured | 322 (74%) |
| <10 mm Hg | 40 (9%) |
| 10–30 mm Hg | 138 (32%) |
| >30 mm Hg | 144 (33%) |
| Systolic blood pressure measured | 280 (65%) |
| Not measurable/not measured | 153 (35%) |
| Transported to hospital | 339 (78%) |
| Pronounced dead at scene | 94 (22%) |
Italic items are in comparison to subgroup totals.
Bold items are percentages and number of the total group, otherwise they are figures of subgroups.
CPR, cardiopulmonary resuscitation; LUCAS, Lund University Cardiopulmonary Assist System.