General background characteristics and baseline CPR performance
| Total | BLS-ATS | BLS-EMS | ACLS-EMS | p Value | |
| Male, % (Nb/total Nb) | 55.6 (10/18) | 50.0 (3/6) | 33.3 (2/6) | 83.3 (5/6) | N/A |
| CPR experience, % (Nb/total Nb) | 33.3 (6/18) | 16.7 (1/6) | 16.7 (1/6) | 66.7 (4/6) | N/A |
| Depth, median (IQR), cm | 5.7 (4.7–6.4) | 5.0 (4.4–6.1) | 5.4 (4.1–6.4) | 6.4 (5.7–6.7) | 0.10 |
| Rate, median (IQR), cpm | 117 (103–139) | 114 (96–131) | 112 (99–131) | 138 (113–140) | 0.37 |
Kruskal-Wallis test.
ACLS, advanced cardiovascular life support; ATS, athletic training students; BLS, basic life support; cpm, compression per min; EMS, emergency medical service.