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Table 1 Effectiveness of training to improve the perception and confidence in using AED and performing bystander CPR

From: Improving perception and confidence towards bystander cardiopulmonary resuscitation and public access automated external defibrillator program: how does training program help?

VariableNumber of cases where post-training score > pre-training score (mean rank)Number of cases where post-training score < pre-training score (mean rank)z valuep value
Perception of the participants
 AED is lifesaving30 (25)19 (25)1.570.12
 It is important for an AED to be available in the place where I work26 (21)15 (21)1.720.09
 Using an AED is important for any unresponsive victims42 (27.4)11 (25.5)4.32< 0.001
 Person who handles an AED requires formal training29 (23.8)18 (24.3)1.5080.31
 AED practice drills should be performed on a regular basis33 (26.0)17 (24.5)2.410.02
Confidence of the participants
 I am confident to perform CPR97 (50.4)3 (52.7)8.56< 0.001
 I am confident to use an AED107 (56.1)4 (53.0)8.93< 0.001
 I am confident in recognizing victim with no signs of life93 (52.5)(41.1)7.88< 0.001
 I will not hesitate to perform CPR and use AED on an unresponsive victim106 (55.6)4 (53.5)8.91< 0.001
  1. Note: the higher the score, the positive is the response