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Table 1 Overall knowledge score

From: Cardiac symptom attribution and knowledge of the symptoms of acute myocardial infarction: a systematic review

Composition of sample, form of question

Number of samples

Number of countries

Participants

Crude mean [%] a

Weighted mean [%] b

Population group, closed-ended

10

10

14,420

36.5

42.1

Cardiac group, closed-ended

5

5

7642

54.7

69.5

Population group, open-ended

1

1

302

31.4

31.4

Cardiac group, open-ended

1

1

137

33.3

33.3

  1. The table depicts the results by comparison of composition of sample and form of question used
  2. amean score in each study was standardized by dividing the mean by the maximum score; thus, the numbers report means in terms of percentage of maximum score
  3. bas above; average mean was calculated from means from individual studies weighted by sample size