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Sandeep123
Sandeep123
Level III

controlling for site clustering

Created: Mar 9, 2021 02:00 AM  |  Last Modified: Jun 8, 2023 5:30 PM (603 views)

A large data set of >200,000 patients is from 125 hospitals. I am analyzing difference in outcomes ( mortality ( nominal) and Length of stay ( continuous) based on admission source. The other predictor variables include age, diagnostic categories, severity of illness score etc.

 

I need to account or site clustering. I can do this by adding site ID in the Fit model...I can make it into random effect also as I read on one of the discussion posts.

 

I wanted to ensure this is appropriate method to account for the clustering. I will be doing linear regression by standard least square and nominal logistic regression.

 

thank you for looking into it

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1 REPLY 1
Mark_Bailey
Staff Mark_Bailey
Staff

Re: controlling for site clustering

Mar 9, 2021 05:31 AM (583 views)  |  Posted in reply to message from Sandeep123 03-09-2021

Yes, it sounds like a logistic regression model with covariates and site in the linear predictor is appropriate. You might also include cross terms for potential interaction effects such as length of stay at a particular site.

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