Table 1 Mean and range of compressions and ventilations divided into pre- and post-test
From: To enhance the quality of CPR performed by youth layman
Item | Pre-test | Under perform | Over perform | Post-test | Under perform | Over perform | Sig. (2-tailed) |
|---|---|---|---|---|---|---|---|
Compression depth (cm) | 4.88 | 46% | 4% | 5.11 | 39% | 6% | .064 |
Standard deviation | .68 | .54 | |||||
Range | 3–6 | 4–6 | |||||
Compression rate (per min) | 117 | 15% | 54% | 128 | 6% | 75% | .001 |
Standard deviation | 17.1 | 14.8 | |||||
Range | 70–159 | 92–166 | |||||
Compression recoil (%) | 89 | 11% | 0% | 92 | 7% | 0% | .404 |
Standard deviation | 24.3 | 17.4 | |||||
Range | 3–100 | 19–100 | |||||
Hand position (%) | 84 | 16% | 0% | 93 | 7% | 0% | .024 |
Standard deviation | 23.9 | 13.9 | |||||
Range | 8–100 | 29–100 | |||||
Ventilation volume (ml) | 112 | 88% | 12% | 579 | 49% | 47% | .000 |
Standard deviation | 309.3 | 588.7 | |||||
Range | 0–1100 | 0–1400 |