Table 4 Infant assessment — CPR metrics for Stage 1 and Stage 2
Infant (n = 200) Stage 1 | Infant (n = 200) Stage 2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean diff. | CI 95 % low | CI 95 % up | p value | ||
Overall score | % | 55.1 | 21.2 | 86.5 | 12.1 | 31.4 | 28.0 | 34.8 | 0.00 |
Compression depth average | mm | 31.9 | 8.7 | 42.7 | 3.1 | 10.8 | 9.5 | 12.1 | 0.00 |
Compression rate average | cpm | 127.2 | 20.9 | 116.7 | 9.0 | −10.5 | −13.7 | −7.3 | 0.00 |
Leaning average | mm | 3.7 | 2.5 | 1.9 | 1.3 | −1.8 | −2.2 | −1.4 | 0.00 |
Flow fraction | % | 71.6 | 8.5 | 77.1 | 4.8 | 5.4 | 4.1 | 6.8 | 0.00 |
Ventilation volume average | ml | 38.1 | 11.1 | 42.3 | 15.8 | 4.2 | 1.5 | 6.9 | 0.00 |
Ventilation rate average | vpm | 11.6 | 2.5 | 10.7 | 2.5 | −0.9 | −1.4 | −0.4 | 0.00 |
Average interuption (no flow time) | sec | 2.9 | 1.2 | 2.4 | 0.7 | −0.5 | −0.7 | −0.3 | 0.00 |