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Table 3 Association of intervention and resuscitation performance

From: Impact of a stress coping strategy on perceived stress levels and performance during a simulated cardiopulmonary resuscitation: a randomized controlled trial

  Intervention group Control group Difference (95% CI) p
Performance measures n=62 n=62   
Intention-to-treat analysis n=124     
  Hands-on time (sec), mean (SE) 57.8 (±3.28) 52.2 (±2.86) 5.5 (95% CI −3.1, 14.2) 0.2
  Time to first meaningful measure (sec), mean (SE) 42 (±2.63) 43.3 (±2.43) −1.4 (95% CI −8.4, 5.7) 0.71
    Time to chest compressions (sec), mean (SE) 57.3 (±3.61) 60 (±3.26) −2.8 (95% CI −12.4, 6.9) 0.57
    Time to ventilation (sec), mean (SE) 67.6 (±3.68) 66.3 (±3.44) 1.4 (95% CI −8.6, 11.3) 0.79
    Time to defibrillation (sec), mean (SE) 69.7 (±3.93) 66 (±3.84) 3.7 (95% CI −7.2, 14.6) 0.54
  Leadership statements, mean (SE) 10.4 (±0.59) 10.9 (±0.56) −0.5 (95% CI −2.1, 1.1) 0.54
Per-protocol analysis n=108 n=46 n=62   
  Hands-on time (sec), mean (SE) 57.2 (±3.76) 52.2 (±2.86) 4.0 (95% CI −4.3, 14.1) 0.29
  Time to first meaningful measure (sec), mean (SE) 42.5 (±3.07) 43.3 (±2.43) −0.8 (95% CI −8.5, 6.8) 0.82
    Time to chest compressions (sec), mean (SE) 59.2 (±4.22) 60 (±3.26) −0.8 (95% CI −11.2, 9.6) 0.88
    Time to ventilation (sec), mean (SE) 65.7 (±4.46) 66.3 (±3.44) −0.5 (95% CI −11.5, 10.4) 0.92
    Time to defibrillation (sec), mean (SE) 73.5 (±4.61) 66 (±3.84) 7.5 (95% CI −4.4, 19.3) 0.21
  Leadership statements, mean (SE) 11.2 (±0.71) 10.9 (±0.56) 0.3 (95% CI −1.5, 2.1) 0.72
  1. SE denotes standard error; 95% CI confidence interval, Intention-to-treat analysis includes all randomized participants, per-protocol analysis includes only participants who followed the instructions in the intervention group.