Giovanni E Ferreira

4 Questions 11 Answers 0 Followers

Questions related from Giovanni E Ferreira

Problems with Linear Mixed Model output in SPSS! Where is the between-group mean difference (95% CI)?

I am about to start data analysis of a small randomized controlled trial (n = 60) with two groups and three time points (baseline, follow up1 and follow-up 2). I chose to run an LMM to account for...

02 February 2016 6,449 4 View

Is there a way to perform a multivariate meta-analysis considering two outcome measurements without necessarily knowing the in-study correlations?

Also, can I perform this analysis on SPSS?

11 November 2013 2,995 2 View

Is there a way to perform a meta-analysis by comparing two different outcomes to see if one behaves as a function of the other?

I am starting to write a protocol of a systematic review whose research question involves the relation between two different outcomes. I am struggling to find out how to pool these data and...

08 August 2013 4,789 7 View

What is the main advantage of using the "mean differences adjusted for baseline" over the commonly used "mean differences" to analyze effect size?

My question adresses specifically continuous variables. When does the first method is indicated over the second? When is it counter-indicated? How to calculate it? Can I calculate it on RevMan?

05 May 2013 1,631 5 View