Shiny contest submission: Dashboard for Cox PH regression model to predict Knee replacement


The Osteoarthritis Initiative is a multi-center observational study of men and women. The OAI is a nationwide research study, sponsored by the National Institutes of Health (part of the Department of Health & Human Services), that will help us better understand how to prevent and treat knee osteoarthritis, one of the most common causes of disability in adults.

Model overview

We used only 9 features to build this model, for study purpose, which are:

  • sex
  • race
  • age, overriding the range in the study to allow more patients
  • body mass index (bmi), overriding the range in the study to allow more patients
  • walk using walking aid such as cane
  • patient had or did not have a stroke (or similar medical problem)
  • how often physical health result in being limited in kind of work or other activities
  • is patient had knee surgery before
  • is patient had knee pain before

Shiny app:
RStudio Cloud:
Model Details:


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