Soumen Sadhu

4 Questions 3 Answers 0 Followers

Questions related from Soumen Sadhu

How do you calculate sample size for a clinical trial when you only have cross-sectional data of the outcome parameter?

Hello, I have cross-sectional data on immune cell density in a disease group. Compared to controls, the disease group shows an increase in immune cell density. Now, I want to run a clinical...

18 June 2024 6,131 3 View

What membranes are used for impression cytology of the conjunctiva?

I have been utilizing Polytetrafluoroethylene (PFTE) membranes with 0.45 μm pore size (Millicell cell culture inserts) for impression cytology. I am using PBS with 0.5% PFA as a medium. However, I...

17 March 2024 9,591 0 View

How to adjust for covariates like age,duration, gender?

Hi, I have three groups- one control and the other 2 disease groups. My main outcome variable has a correlation with age and duration of the disease and also there are gender differences. I ran...

13 January 2023 5,799 0 View

I have a dout regarding stepwise linear regression, Please see the descprion box...?

I have six diagnostic parameters in one disease group. I have determined a composite severity score for each patient by averaging those six parameters. Now I want to know among those six...

25 December 2021 5,648 5 View