Table 2.
Compression times and compression quality
| intervention group | control group | intervention follow-up | control follow-up | |
|---|---|---|---|---|
| Compression frequency (bpm) | 112(105/125) | 125(104.5/133) (p = 0,17) | 118(97/120) | 114(102/128) (p = 0.525) |
| Compression depth (mm) | 43.9 ± 1.8 | 42.8 ± 1.9 (p = 0.558) | 44.3 ± 8 | 43.9 ± 11 (p = 0.880) |
| Hands-off time (%) | 24.0(23.0/26.7) | 28.3(24.3/31.7) (p = 0.007) | 23.7(19.3/26.6) | 31.0(25.0/33.7) (p = 0.006) |
| Sufficient compressions (%) | 42.9 ± 34 | 41.2 ± 33 (p = 0.984) | 41.5 ± 31 | 45.1 ± 37 (p = 0.928) |
| Sufficient compressions in a row | 13.5(1.9/27.7) | 8.0(1.3/14.8) (p = 0.37) | 9.7(3.6/21.1) | 8.6(3.6/25.1) (p = 0.99) |
| Time to first sufficient compression (sec.) | 41.2(33.0/53.5) | 32.6(21.4/77.7) (p = 0.12) | 41.2(33.8/57.0) | 38.4(31.6/120.7) (p = 0.85) |
| Time to first 10 sufficient compressions (sec.) | 52.3(39.3/72.8) | 109.6(42.6/158.2) (p = 0.03) | 46.9(40.6/103.5) | 43.0(34.5/59.8) (p = 0.52) |
Values are presented as mean +/− SD or median and (25/75) quartiles