Variable | Assessment | All students | X3 | X5 | X8 |
---|---|---|---|---|---|
Compression depth [mm] (mean ± SD) | Pre | 48.2 ± 10.7 | 50.1 ± 10.0 | 40.5 ± 11.1 | 52.4 ± 7.7 |
Post | 54.5 ± 5.3 | 55.6 ± 6.1 | 52.7 ± 4.7 | 54.8 ± 4.5 | |
Compression depth (% within range) | Pre | 31,9% | 40,7% | 15,8% | 34,8% |
Post | 69,6% | 55,6% | 78,9% | 78,3% | |
Compression rate [1/min] (mean ± SD) | Pre | 102.8 ± 21.9 | 106.0 ± 22.6 | 98.6 ± 21.6 | 102.2 ± 21.7 |
Post | 113.6 ± 11.1 | 112.9 ± 10.9 | 108.6 ± 8.0 | 118.5 ± 11.9 | |
Compression rate (% within range) | Pre | 29,0% | 33,3% | 21,1% | 30,4% |
Post | 66,7% | 70,4% | 78,9% | 52,2% | |
Duty Cycle [%] (mean ± SD) | Pre | 46.5 ± 7.5 | 45.1 ± 8.0 | 49.5 ± 7.2 | 45.6 ± 6.6 |
Post | 45.4 ± 5.0 | 45.0 ± 6.1 | 45.3 ± 4.6 | 46.0 ± 3.8 | |
Compressions completely released [%] (median (IQR)) | Pre | 99 (73 – 100) | 99 (67 – 100) | 99 (47 – 100) | 98 (86 – 100) |
Post | 96 (65 – 99) | 97 (60 – 100) | 95 (69 – 99) | 97 (59 – 99) |