Table 1 The effect of introducing an SOP * for pre-hospital controlled ventilation on the use of automatic ventilators
Ventilator used | Before SOP (CI) | After SOP (CI) | Total |
|---|---|---|---|
Yes | 100 | 198 | 298 |
No | 149 | 68 | 217 |
Total | 249 | 266 | 515 |
Prevalence | 0.40 (0.34-0.47) | 0.74 (0.69-0.80) | 0.58 |