Table 2 Influence of bystander CPR, start CPR time, defibrillation, and advanced airway on ROSC
Studies (n) | Participants (n) | Rate (%) | I2 (%) | OR | I2 (%) | |
|---|---|---|---|---|---|---|
Bystander CPR | ||||||
Bystander CPR | 6 | 2154 | 23.5 (13.4–35.4) | 91 | 7.92 (4.32–14.53) | 85 |
No Bystander CPR | 6 | 21,312 | 4.2 (1.7–7.8) | 98 | ||
Start CPR time | ||||||
Less than 5 min | 6 | 621 | 16.4 (2.5–39.2) | 97 | 5.92 (1.92–18.26) | 85 |
More than 5 min | 6 | 2114 | 2.9 (1.0–5.6) | 89 | ||
Less than 10 min | 6 | 2791 | 10.8 (4.9–18.5) | 96 | 2.88 (1.12–7.43) | 80 |
More than 10 min | 6 | 133 | 3.0 (0.7–6.8) | 86 | ||
Defibrillation | ||||||
Defibrillation | 4 | 209 | 32.9 (16.5–51.8) | 86 | 8.52 (3.72–19.52) | 77 |
No defibrillation | 4 | 4940 | 6.0 (2.0–11.9) | 98 | ||
Advanced airway | ||||||
Advanced airway | 13 | 5975 | 10.6 (7.4–14.2) | 92 | 1.22 (0.84–1.78) | 76 |
No advanced airway | 13 | 8107 | 9.4 (5.8–13.7) | 97 | ||