Pretest demographic data by group
| Groups | HIO | IV | CPR+defib | CPR only |
| Number of subjects | 7 | 7 | 7 | 5 |
| Weight (kg) | 34±3.2 | 32.9±1.6 | 33.7±4.2 | 30.9±2.8 |
| Systolic blood pressure | 99.9±14.3 | 81.3±9.5 | 95.5±10.3 | 97.8±9.1 |
| Diastolic blood pressure | 65.1±10.3 | 53.1±10.6 | 63.5±15.5 | 60.8±9.0 |
| Mean arterial pressure | 82.1±10.9 | 61.9±10.4 | 75.8±13.1 | 77.3±10.3 |
| Heart rate | 76.5±13.2 | 84.4±10.4 | 79.5±10.3 | 81.5±15.4 |
| Cardiac output (L/min) | 6.6±2.8 | 6.9±1.6 | 7.2±1.5 | 7.6±2.3 |
| Stroke volume | 97.7±29.3 | 81.9±22.8 | 85±18.7 | 92±17.4 |
| EtCO2 | 40.8±10.5 | 39.7±4.6 | 42.1±4.9 | 44.5±6.2 |
| Temperature | 32.5±13 | 36.2±0.99 | 36.9 ±0.44 | 37.2±0.29 |
| Oxygen | 98.4±2.0 | 97.4±3.9 | 98.7±0.76 | 99.5±0.56 |
| Blood volume (mL) | 2385±223.3 | 2300±110.2 | 2356±295 | 2163±194.6 |
| Blood loss (mL) | 834.8±78.2 | 805.3±38.7 | 811.7±94.4 | 757±68.0 |
All continuous data are expressed as means±SD. Multivariate analysis of variance of data demonstrated there was no significant difference between group data with p>0.05.
CPR+defib, cardiopulmonary resuscitation and defibrillation; CPR only, cardiopulmonary resuscitation only; HIO, humerus intraosseous; IV, intravenous.