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Table 5 Quality assessment of included quasi-experimental studies

From: The effectiveness of guideline implementation strategies in the dental setting: a systematic review

 

Study identification

Criteria

[52]

[48]

[50]

[43]

[49]

[51]

[41]

[40]

1. Is it clear in the study what is the “cause” and what is the “effect” (i.e. there is no confusion about which variable comes first)?

Y

Y

Y

Y

Y

Y

Y

Y

2. Were the participants included in any comparisons similar?

Y

?

Y

?

Y

Y

Y

Y

3. Were the participants included in any comparisons receiving similar treatment/care, other than the exposure or intervention of interest?

Y

Y

Y

Y

Y

Y

?

Y

4. Was there a control group?

N

N

Y

N

N

N

N

N

5. Were there multiple measurements of the outcome both pre and post the intervention/exposure?

Y

Y

Y

Y

Y

Y

Y

Y

6. Was follow-up complete and if not, were differences between groups in terms of their follow-up adequately described and analysed?

Y

N/A

Y

N/A

Y

N/A

N/A

N/A

7. Were the outcomes of participants included in any comparisons measured in the same way?

Y

Y

Y

Y

Y

Y

Y

Y

8. Were outcomes measured in a reliable way?

?

?

N

N

Y

N/A

Y

N

9. Was appropriate statistical analysis used?

N

?

Y

Y

Y

Y

Y

Y

Total score

66.7%

50.0%

88.9%

62.5%

88.9%

85.7%

75.0%

75.0%

  1. Y yes, N no, ? unclear, N/A not applicable