Table 2 Knowledge of chest pain as symptom of acute myocardial infarction
Composition of sample, form of question | Number of samples | Number of countries | Participants | Crude mean [%] a | Weighted mean [%] b |
|---|---|---|---|---|---|
Population group, closed-ended | 16 | 14 | 145,631 | 83.5 | 88.2 |
Cardiac group, closed-ended | 4 | 3 | 932 | 79.4 | 86.2 |
Population group, open-ended | 4 | 4 | 7937 | 76.5 | 74.3 |
Cardiac group, open-ended | 1 | 1 | 251 | 82.0 | 82.0 |