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Table 4 Quality assessment of included randomised controlled trials

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

 

Study identification

Criteria

[47]

[42]

[39]

[45]

[53]

[44]

[46]

1. Was true randomisation used for assignment of participants to treatment groups?

Y

Y

Y

Y

?

Y

Y

2. Was allocation to treatment groups concealed?

Y

Y

Y

Y

N

?

Y

3. Were treatment groups similar at the baseline?

N

Y

N

Y

Y

Y

Y

4. Were participants blind to treatment assignment?

N

N

N

N

N

?

Y

5. Were those delivering treatment blind to treatment assignment?

N

N

N

N

N

N

Y

6. Were outcomes assessors blind to treatment assignment?

Y

Y

Y

Y

N

N

Y

7. Were treatment groups treated identically other than the intervention of interest?

Y

Y

Y

Y

Y

Y

Y

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

Y

Y

Y

Y

Y

Y

Y

9. Were participants analysed in the groups to which they were randomised?

Y

Y

Y

Y

Y

Y

Y

10. Were outcomes measured in the same way for treatment groups?

Y

Y

Y

Y

Y

Y

Y

11. Were outcomes measured in a reliable way?

Y

Y

Y

Y

Y

Y

Y

12. Was appropriate statistical analysis used?

Y

Y

Y

Y

N

Y

Y

13. Was the trial design appropriate, and any deviations from the standard RCT design (individual randomisation, parallel groups) accounted for in the conduct and analysis of the trial?

Y

Y

Y

Y

N

Y

Y

Total score

76.9%

76.9%

69.2%

92.3%

46.2%

69.2%

100.0%

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