Table 3.
Factors in mean pause length Univariate.
| Variable present (Yes) | Variable present (No) | |
|---|---|---|
| Gender, male | 18.4 (16.5–20.4) | 21.9 (18.8–25.1) |
| Age >50 | 18.8 (16.9–20.6) | 21.0 (17.7–24.2) |
| Mechanical compression pre-hospital | 18.2 (16.6–19.8) | 22.2 (18.2–26.1) |
| Mechanical compression event during pause | 24.1 (14.4–33.7) | 19.2 (17.5–20.9) |
| ETT event during pause | 28.6 (16.3–40.9) | 18.8 (17.3–20.3) |
| IV event during pause | 30.3 (19.9–40.7) | 18.9 (17.2–20.5) |
| Defibrillation event during pause | 15.1 (11.7–18.5) | 20.0 (18.2–21.8) |
| Any non-US event during pause | 23.3 (18.9–27.7) | 18.1 (16.5–19.7) |
| Any US during pause | 20.3 (18.4–22.1) | 17.7 (14.2–21.1) |
| Multiple US during pause | 47.8 (31.9–63.7) | 19.1 (17.3– 21.0) |
| Subxyphoid approach | 21.9 (19.2–24.6) | 18.8 (15.7–21.9) |
| Parasternal long approach | 21.8 (18.5–25.1) | 20.1 (17.4–22.7) |
Data is presented as mean pause length in seconds mean, (95% CI).
US, ultrasound; ETT, endotracheal tube; IV, intravenous; CPR, cardiopulmonary resuscitation.