Table III.
Influence of EMS dispatch factors on response times, CPR initiation, and ROSC
| Variable | CPR initiated | ROSC achieved | Response time [min] mean ± SD |
|---|---|---|---|
| Call reason, n (%) | |||
| Unconscious | 651 (31.80) | 1396 (68.20) | 7.24 ±5.10 |
| Breathing difficulty | 92 (40.00) | 138 (60.00) | 7.71 ±6.02 |
| Hanging | 54 (23.18) | 179 (76.82) | 8.27 ±6.49 |
| Chest pain | 26 (74.29) | 9 (25.71) | 6.45 ±5.14 |
| Sudden cardiac arrest | 81 (62.31) | 49 (37.69) | 7.12 ±5.78 |
| Fainting | 69 (53.49) | 60 (46.51) | 7.54 ±5.90 |
| Other | 70 (26.52) | 194 (73.48) | 7.80 ±5.84 |
| No contact | 80 (27.03) | 216 (72.97) | 7.53 ±5.47 |
| Accident | 52 (31.14) | 115 (68.86) | 7.31 ±5.05 |
| Drowning | 6 (20.69) | 23 (79.31) | 10.42 ±6.80 |
| Lying down | 18 (29.03) | 44 (70.97) | 6.90 ±4.13 |
| Time of EMS dispatch, n (%) | |||
| 00:00-05:59 | 135 (28.97) | 331 (71.03) | 7.92 ± 5.42 |
| 06:00-11:59 | 426 (28.82) | 1052 (71.18) | 7.54 ± 5.30 |
| 12:00-17:59 | 460 (33.41) | 917 (66.59) | 7.71 ± 5.85 |
| 18:00-23:59 | 374 (35.96) | 666 (64.04) | 7.29 ± 4.86 |
CPR – cardiopulmonary resuscitation, ROSC – return of spontaneous circulation. Mean response times are presented with standard deviation (SD) to show variability.