Table 3 Results of logistic regression analysis for the propensity score predicting pehospital PCCD use
Predictor | Prevalence | Odds ratio | 95CI |
|---|---|---|---|
Younger age (< 60 years) | 3709 | 1.48 | 1.31–1.68 |
Systolic BP (reference: 110 + mmHg) | |||
0 mmHg / CPR | 129 | 2.09 | 1.39–3.16 |
1–109 mmHg | 1756 | 1.26 | 1.11–1.43 |
Unconsciousness on scene | 1033 | 0.67 | 0.57–0.80 |
Prehospital volume (reference ≤ 500 ml) | |||
Up to 1000 ml | 1595 | 1.4 | 1.22–1.59 |
Up to 2000 ml | 1003 | 1.52 | 1.29–1.79 |
More than 2000 ml | 250 | 1.75 | 1.30–2.36 |
Tranexamic acid administration | 1212 | 2.91 | 2.51–3.37 |
Catecholamine administration | 991 | 1.4 | 1.17–1.68 |
High energy trauma (traffic, high fall) | 4925 | 1.42 | 1.20–1.70 |
Transportation by helicopter | 1813 | 1.26 | 1.11–1.43 |
Destination level 1 hospital | 4877 | 1.62 | 1.36–1.93 |