Table 2.
Scores on the 10-question composite outcome by group.
| Question | Lay people (n=62), n (%) | Medical students (n=80), n (%) | P value |
| Phone number of the emergency medical services dispatch centrala | 51 (82) | 75 (94) | .06 |
| Meaning of “AED”b,c | 27 (44) | 42 (53) | .31 |
| Criteria used to recognize OHCAd | 5 (8) | 16 (20) | .06 |
| BLSe sequence | 2 (3) | 0 (0) | .19 |
| Artery for pulse assessment | 50 (80) | 50 (63) | .03 |
| Compression depth | 9 (14) | 29 (36) | .004 |
| Compression:ventilation ratio | 21 (34) | 62 (78) | <.001 |
| Compression rate | 15 (24) | 41 (51) | .002 |
| Compression-only CPRf | 39 (63) | 75 (94) | <.001 |
| Treatment of a choking patient, conscious, unable to either cough or talk | 43 (69) | 75 (94) | <.001 |
aAccepted answers: 112, 144, and 911, which all work in Geneva, Switzerland; 144 is the official Swiss number.
bAED: automated external defibrillator.
cAll answers containing “defibrillator” in English or in French were considered as correct (not case sensitive, spelling mistakes accepted).
dOHCA: out-of-hospital cardiac arrest.
eBLS: basic life support.
fCPR: cardiopulmonary resuscitation.