Depth of compressions and coefficient of variation (COV) utilising a 3:1 compression to ventilation ratio for 2 min using the two-thumb compared with the two-finger technique
| Two-thumb 3:1 (2 min) | Two-finger 3:1 (2 min) | p Value | |
|---|---|---|---|
| Depth (mm) | 29±5.4 | 23.7±5.8 | 0.0009 |
| Variability (COV) | 6.1±2.9 | 9.8±3.1 | 0.00002 |