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

Table 2

BLS/AED skills performed adequately.

	Two-stage	Four-stage	P-value
	(n=65)	(n=64)
Skills
BLS
Ensure safety	60 (92%)	48 (75%)	0.015
Checks for responsiveness	56 (86%)	59 (92%)	0.41
Shout for help	62 (95%)	63 (98%)	0.62
Initial airway opening	40 (62%)	42 (66%)	0.76
Initial breathing check	34 (52%)	40 (63%)	0.32
Call for help	61 (94%)	61 (95%)	0.98
Adequately chest compression	38 (57%)	43 (67%)	0.40
Adequately rescue breaths	49 (75%)	48 (75%)	0.88
Perform CPR (30:2) without interruptions	63 (97%)	57 (89%)	0.16
Sequence in order	29 (45%)	29 (45%)	0.92
AED
Check if cardiac arrest	32 (49%)	39 (61%)	0.25
Switch on AED	65 (100%)	64 (100%)	-
Attach pads correctly	57 (88%)	60 (94%)	0.38
Safe AED analysis	42 (55%)	39 (61%)	0.80
Safety shock	55 (85%)	56 (88%)	0.83
Follow AED instructions	65 (100%)	64 (100%)	-
Perform CPR (30:2) without interruptions	59 (91%)	62 (97%)	0.28

Individual skills are presented as n(%).