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Table 2 Compression times and compression quality

From: Combination of problem-based learning with high-fidelity simulation in CPR training improves short and long-term CPR skills: a randomised single blinded trial

  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)
  1. Values are presented as mean +/− SD or median and (25/75) quartiles