Alireza Keshtkar

4 Questions 5 Answers 0 Followers

Questions related from Alireza Keshtkar

How to deal with studies from large databases in meta-analysis and prevent overlap?

Hi Nowadays, there are lots of studies from large databases like TrinetX, PearlDiver, or etc. These databases reported data from A very large number hospitals all around the world or US. The...

21 February 2025 336 3 View

Which systematic reviews and meta-analysis should be included in the umbrella review?

Hi i am trying to conduct an umbrella review. there are some systematic reviews that report the same outcome and have same included RCTs (not all of the RCTs are similar but some of them repeated...

05 March 2024 8,995 2 View

I am designing a SR and MA about the difference between two surgery outcome. can i use studies in that report only one outcome?

i am trying to add the maximum number of articles for my study. two surgeries are comparing in this SR and MA. the outcome is a quantitative variable that report in mean and sd. there are some...

15 February 2024 3,390 3 View

Preprinting the articles

Hi I have written an article with great effort, but no matter how hard I try to publish it in a journal, I get rejected due to the outdated topic. I wanted to know if it's okay to print it as a...

01 January 1970 383 8 View