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. 2021 Jul 22;11(3):366–371. doi: 10.1016/j.afjem.2021.03.014

Table 3.

Skills acquisition before training, just after training and 6 months after the BLS training.

Variables
Before training
(N = 57)
Immediately after training
(N = 57)
6-month post-training
(N = 57)
Comparison of before and after traininga
Comparison of after training and 6 months latera
Comparison of before training and 6 months latera
Skill correctly performed n (%) n (%) n (%) P value P value P value
Assessment 35 (61.4%) 57 (100%) 52 (91.2%) <0.001 0.06 <0.001
Call for help/AED 27 (47.4%) 52 (91.2%) 41 (71.9%) <0.001 0.007 0.008
Check for pulse 20 (35%) 54 (94.7%) 38 (66.7%) <0.001 <0.001 0.001
Correct compressions 16 (28%) 51 (89.5%) 37 (64.9%) <0.001 0.006 <0.001
Adequate rate 6 (10.5%) 49 (86%) 12 (21.1%) <0.001 <0.001 0.14
Adequate depth 39 (68.4%) 55 (96.5%) 48 (84.2%) <0.001 0.06 0.06
Allows complete chest recoil 33 (57.9%) 57 (100%) 50 (87.7%) <0.001 0.01 <0.001
Minimise interruptions 17 (29.8%) 48 (84.2%) 44 (77.2%) <0.001 0.48 <0.001
High quality CPR for 1 rescuer 0 (0%) 36 (63.2%) 9 (15.8%) <0.001 <0.001 0.003
Effective delivery of breaths with bag-mask device 14 (24.5%) 53 (93%) 55 (96.5%) <0.001 0.62 <0.001
Effective chest compressions if 2 rescuers 16 (28.1%) 49 (86%) 36 (63.2%) <0.001 0.007 <0.001
a

McNemar's test for comparison of the paired ordinal categorical data.