Konstantinos Vardakas

3 Questions 7 Answers 0 Followers

Questions related from Konstantinos Vardakas

Application of the ROBINS-I tool to studies that were not designed to evaluate the outcome measure of the meta-analysis?

I am conducting a meta-analysis of non-randomized studies in patients with CAP according to the treatment regimen (e.g. β-lactam+macrolide vs fluoroquinolone). Can I apply the ROBINS-I tool to...

21 October 2016 6,872 9 View

In a meta-analysis of adjusted estimates from observational studies, can I pool OR with HR and RR (probably not)? How can I transform HR to OR?

Most observational studies provide adjusted estimates in the form of OR (with 95% CI), however some of them use HR instead that includes the notion of time to event. Is there a way to transform...

03 June 2016 4,407 7 View

Can you perform a meta-regression if data regarding moderators are not available for all studies?

If you have a database of 50 studies with outcomes for all, but the data for each moderator is not available for all of them, can you perform a meta-regression?

09 January 2015 6,667 3 View