Table 4.
Program level | p value | |||||
---|---|---|---|---|---|---|
1 (n = 121) | 2 (n = 119) | 3 (n = 124) | 4 (n = 121) | |||
Turn on the AED | Correct | 115 (95.0%) | 114 (95.8%) | 119 (96.0%) | 120 (99.2%) | 0.094 |
Correct location of AED pads | Correct | 85 (70.2%) | 107 (89.9%) | 114 (91.9%) | 112 (92.6%) | <0.001 |
Clear during analysis | Correct | 50 (41.3%) | 104 (87.4%) | 104 (83.9%) | 110 (90.9%) | <0.001 |
Clear before shock | Correct | 44 (36.4%) | 95 (79.8%) | 95 (76.6%) | 108 (89.3%) | <0.001 |
Immediate chest compression after shock | Correct | 30 (24.8%) | 105 (88.2%) | 96 (77.4%) | 110 (90.9%) | <0.001 |
Time from AED arrival until shock† |
— | 59.0 (55.0–65.0) | 53.0 (50.0–60.0) | 55.0 (50.0–60.0) | 52.0 (48.0–56.0) | <0.001 |
Comparisons were performed using the chi-square test.
†Calculated using the Kruskal-Wallis method and reported as median (interquartile range).
AED: automated external defibrillator.