health research

  1. N

    Need help with a simple formula i think?

    Anyone who can help, would be great please.... essentially, I have a very simple question that can be answered by most clever stats guru's, of which I am not one, so ever grateful and hoping I get a reply: I want to test/screen a population for lets say a an illness (any random illness will...
  2. J

    Normal logistic regression vs a mixed model; which to use? benefits gained?

    I have some evidence to suggest that one vaccine was far superior over another and resulted in the local elimination of a disease. Because it affects pharmaceutical companies the information is sensitive so I will share as much as I can. I analysed the following data set using logistic...
  3. R

    Multivariate regression on nominal data

    I have a database of patient data and I' want to perform a multivariate analysis looking at risk factors for patient length of stay more than 3 days. For example I have: Operation type Operation findings Length of stay > 3 days weight type x finding a...
  4. R

    Funnel Plot - not based on rate, %, expected v actual count.

    Hi, I have been tasked with producing some funnel plots that are somewhat different to the ones i am used to producing. Normally i would be plotting something along the lines of: X-axis: Number of discharges Y-axis: rate of re-admissions. However, this time i have been asked to produce...
  5. D

    Suggestions for Statistical Methods for Health Research

    I am currently planning a research project looking at a scoring system for patients (using demographics, social circumstances) to determine whether there is a relationship between a patient's score and their length of hospital stay. The score has 5 domains which are all equally weighted so...