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. 2020 Sep 28;12:211–217. doi: 10.2147/OAEM.S241598

Table 2.

BLS Knowledge Before, Immediately After and 6 Months After the Training

Test Score Before Training
(N=149)
After Training
Immediate (N=149) 6 Months (N=149)
Mean (SD) 8.52 (1.88) 12.12 (1.52) 10.83 (1.95)
Mean differencea
95% CI
p-value
3.60
3.22, 3.99
<0.001
2.31
1.92, 2.70
<0.001

Note: aAfter adjusted with gender, age, knowledge and experienced in emergency medical service, and trained and experienced in basic-life-support