BioMed Research International / 2019 / Article / Tab 3

Research Article

Three-Month Retention of Basic Life Support with an Automated External Defibrillator Using a Two-Stage versus Four-Stage Teaching Technique

Table 3

Quality of chest compressions and ventilation.

Two-stageFour-stageP-value
(n=65)(n=64)

Chest compressions
Chest compressions rate (min−1)108 (19)107 (17)0.78
Chest compressions number30 (3.1)29 (2.8)0.21
Chest compression with correct hand placement (n (%))54 (83%)56 (88%)0.62
Average compression depth (mm)43 (11)46 (10)0.12
No-flow time (sec)27 (11)32 (19)0.07

Rescue breaths
Numbers of rescue breaths2.0 (0.5)2.2 (0.4)0.10
Number of sufficient rescue breaths1.6 (0.8)1.6 (0.7)0.62
Tidal volume (L)0.7 (0.4)0.6 (0.4)0.16

Individual skills are presented as n (%) and mean (SD). Tidal volume n = 57 versus 58 in the two groups

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