APPENDICES. A systematic review and economic model of the ...

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Appendix 5
8. Was the statistical analysis appropriately
presented?
Numbers of participants per treatment arm should
be clear. Mean scores, presented as before/after
scores or change scores, should be reported
together with measures of variance, either
standard errors or standard deviations of the
mean scores. Analysis of data from two period-two
treatment crossover trials should use a method
specific to paired data.
9. Was an association with industry reported by
the authors?
Where reported, reviewers noted an association
with industry. Otherwise, this question was marked
as ‘no’.
In addition, reviewers highlighted any further
issues that might have impacted on the reliability
of study results.