Mean	SD
Hands-on time Score (% of available time)‡	7.5	1.2
Time to first defibrillation Score§	1.5	1.4
Time to start cardiac massage after first defibrillation Score§	3.2	1.4

Items were included in the global technical performance score of cardiopulmonary resuscitation as follows:

*Yes=1 point, No=0 points.

†Number of cycles within ±20% of recommended number were coded as correct.

‡1 point for each 10%.

§5 points if <5 s; 4 points if >5 and<10; 3 points if >10 and<15; 2 points if >15 and<20; 1 point if >20 and<25; 0 points if >25.