Variable | Univariate OR (95% CI) | Multivariate OR (95% CI) | |
---|---|---|---|
Cardiac rhythm: VF, VT, asystole, or PEA | 29.33 (27.04 to 31.82) | 3.90 (3.38 to 4.50) | |
Mission located in medical facility or nursing home, yes | 1.68 (1.52 to 1.85) | 1.06 (0.92 to 1.23) | |
HEMS vehicle, ground unita | 0.92 (0.87 to 0.96) | 0.97 (0.88 to 1.06) | |
Sex, male | 1.19 (1.12 to 1.25) | 0.96 (0.88 to 1.04) | |
Patient category | Trauma | 1.83 (1.41 to 2.37) | 1.23 (0.88 to 1.71) |
Cardiac arrest | 46.82 (36.27 to 60.44) | 1.60 (1.14 to 2.24) | |
Neurologicalb | 2.32 (1.78 to 3.03) | 0.57 (0.41 to 0.79) | |
Psychiatric or intoxication | 0.35 (0.25 to 0.49) | 0.10 (0.07 to 0.15) | |
Other | 2.27 (1.73 to 2.98) | 0.79 (0.56 to 1.12) | |
Stroke | 8.97 (6.89 to 11.69) | 1.90 (1.35 to 2.66) | |
Respiratory failure | 3.29 (2.49 to 4.35) | 1.08 (0.76 to 1.54) | |
Chest pain | 1.25 (0.90 to 1.75) | 0.97 (0.65 to 1.45) | |
Infection or Gynaecology and obstetrics | 1.00 (reference) | 1.00 (reference) |