| Control, (N = 187, % with 95% CI) | Intervention, (N = 342, % with 95% CI) | Total, (N = 529, % with 95% CI) | OR (95% CI) | P value |
---|---|---|---|---|---|
1. Initiation of BMV within 1 min | 13.4% (8.8–19.1) | 11.1% (8.0–14.9) | 11.9% (9.3–15.0) | 0.83 (0.51–1.33) | 0.433 |
2. Selected correct mask for ventilation, (nc = 186, ni = 340) | 95.7% (91.7–98.1) | 95.6% (92.8–97.5) | 95.% (93.5–97.2) | 0.999 (0.96–1.03) | 0.953 |
3. Ventilated at the rate of 30–50 breaths per minute BMV, (nc = 177, ni = 249) | 67.2% (59.8–74.1) | 62.2% (55.9–68.3) | 64.3% (59.6–68.9) | 0.92 (0.80–1.06) | 0.290 |
4. Chest risen after each ventilation, (nc = 185, ni = 324) | 80% (73.5–85.5) | 83% (78.5–86.9) | 81.9% (78.3–85.2) | 1.03 (0.95–1.13) | 0.394 |
5. Repositioned the head if no rise in chest was observed, (nc = 44, ni = 127) | 86.4% (72.6–94.8) | 85% (77.6–90.7) | 85.4% (79.2–90.3) | 0.98 (0.85–1.13) | 0.830 |
6. Assessed for heart rate after 1 min of ventilation, (nc = 183, ni = 319) | 69.4% (62.2–76.0) | 63.6% (58.1–68.9) | 65.7% (61.4–69.9) | 0.91 (0.80–1.04) | 0.190 |