Table 4 Questionnaire responses of 115 final-year medical students after the BLS training

 Satisfaction of the teaching method

4.98 (4.94–5.00)

4.95 (4.87–5.00)

0.140

 Recommendable to my colleagues

4.72 (4.45–4.99)

4.84 (4.68–5.00)

0.362

 Feedback of my performance were helpful for my training

4.74 (4.56–4.92)

4.91 (4.79–5.00)

0.011*

 Feedback of other students were helpful for my training

4.76 (4.50–5.00)

4.82 (4.67–4.97)

0.679

 Recommendation for the ideal number of students to one instructor for the training

4.4 (4.16–4.64)

5.8 (5.26–6.34)

<0.001*

 Recommendation for the ideal number of opportunities to practice one-rescuer adult BLS using CPR manikin in the training

9.5 (4.47–14.53)

5.8 (4.71–6.89)

0.070

 Actual number of BLS practiced in the course

4.7 (3.52–5.88)

4.6 (3.51–5.69)

0.788