Table 3 Confidence in assessing studies

Study aspect

n

%

%

Assessing study design

Before:

173

42 %

31 %

After:

173

62 %

8 %

<0.0001

Evaluating bias

Before:

172

30 %

41 %

After:

173

44 %

19 %

<0.0001

Evaluating the adequacy of sample size

Before:

171

22 %

51 %

After:

173

24 %

33 %

<0.0001

Assessing generalizability

Before:

172

30 %

41 %

After:

172

45 %

12 %

<0.0001

Evaluating statistical tests/principles

Before:

171

13 %

64 %

After:

172

19 %

42 %

<0.0001

Assessing the general worth of an article

Before:

173

45 %

25 %

After:

172

65 %

5 %

<0.0001