Skip to main content

Table 2 Competency in CPR by training group

From: A randomized trial of video self-instruction in cardiopulmonary resuscitation for lay persons

  Overall (N = 439) Untrained (N = 135) Continuous compressions (N = 185) Compressions and ventilations (N = 119)
  n (%) n (%) Comparison to continuous compressions n (%) n (%) Comparison to continuous compressions
Achieving 90% Correct Compressions 25 (5.7) 4 (3.0) Chi-Square = 0.32 df = 1 p-value = 0.57 9 (4.9) 12 (10.1) Chi-Square = 2.31 df = 1 p-value = 0.13
Achieving 80% Correct Compressions 30 (6.8) 7 (5.2) Chi-Square = 2.07 df = 1 p-value = 0.15 19 (10.3) 14 (11.8) Chi-Square = 0.05 df = 1 p-value = 0.83
Achieving 70% Correct Compressions 66 (15.0) 13 (9.6) Chi-Square = 2.77 df = 1 p-value = 0.10 31 (16.7) 22 (18.5) Chi-Square = 0.05 df = 1 p-value = 0.82
Achieving 60% Correct Compressions 98 (22.3) 23 (17.0) Chi-Square = 1.22 df = 1 p-value = 0.27 42 (22.7) 33 (27.7) Chi-Square = 0.73 df = 1 p-value = 0.39
Achieving 50% Correct Compressions 129 (29.4) 33 (24.4) Chi-Square = 0.32 df = 1 p-value = 0.57 55 (29.7) 41 (34.5) Chi-Square = 2.31 df = 1 p-value = 0.13