From: Effect of feedback on delaying deterioration in quality of compressions during 2 minutes of continuous chest compressions: a randomized manikin study investigating performance with and without feedback
with feedback (n = 26)
without feedback (n = 28)
Mean age - years (range)
45 (24-66)
44 (25-64)
Males:females
18:8
20:8
Has CPR experience*
24
23
BLS or generic CPR instructor
14
18