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 |