Table 3.
CPR quality retention after 6 months
| TVF (n = 65) | PVF (n = 62) | p | |
|---|---|---|---|
| Total scores (%) | 55.1 ± 23.2 | 55.3 ± 25.4 | 0.990 |
| Compression depth (mm) | 52.4 ± 7.0 | 49.8 ± 8.2 | 0.065 |
| Appropriate compression depth (%) | 60.9 ± 39.4 | 70.1 ± 37.1 | 0.036 |
| Compression rate (cpm) | 106.3 ± 12.3 | 103.1 ± 10.3 | 0.166 |
| Appropriate compression rate (%) | 41.9 ± 35.2 | 49.2 ± 35.6 | 0.311 |
| Correct hands position (%) | 89.2 ± 27.0 | 87.0 ± 28.7 | 0.908 |
| Complete chest recoil (%) | 88.2 ± 23.2 | 83.9 ± 25.6 | 0.247 |
| Compressions interruption (s) | 16.8 ± 6.9 | 17.3 ± 7.5 | 0.791 |
| Percentage of ventilations with adequate volume (%) | 52.4 ± 34.7 | 59.3 ± 37.7 | 0.272 |
Appropriate chest compression rate, depth, correct hand position, and complete chest recoil were defined according to the 2015 American Heart Association (AHA) guideline
PVF peer video feedback, TVF traditional peer verbal feedback