Vitor Tardelli

4 Questions 5 Answers 0 Followers

Questions related from Vitor Tardelli

What is the best critical appraisal tool to for a single-arm open-label study?

Hello! We are looking for a tool to assess quality of evidence for treatment studies with a single arm (not controlled and obviously not randomized and blinded). Is there a quality appraisal...

24 July 2020 3,741 1 View

Means and SDs for proportions - How to proceed when we need the inverse data?

Hello all, I have a tricky situation here. I need a % and SDs of drug-negative urine tests across a methamphetamine study for a meta-analysis. However, the study brings the % and SDs of...

31 March 2020 9,563 3 View

Meta-analysis - what if we have two treatment groups?

Dear all, I'm writing a meta-analysis about treatment of stimulants use disorders. I am pooling data from RCTs using a certain class of medications. However, some of the described studies used...

04 July 2019 5,066 3 View

How do I get RRRs rather than ORs from Multinomial Regression on SAS?

I have run a proc surveylogistic model using link=glogit on sas. The idea is to run a multinomial regression model. However, whenever I run the model with it covariates, SAS provides an output...

19 January 2019 9,044 6 View