Applying the Longitudinal Model from Item Response Theory to Assess Health-Related Quality of Life in the PRODIGE 4/ACCORD 11 Randomized Trial

Discussion. The use of LMM to study the HRQoL score does not seem appropriate. It is an easy-to-use model, but the basic statistical assumptions do not check. Our IRT model may be more complex but shows the same qualities and gives similar results. It has the additional advantage of being more precise and suitable because of its direct use of raw data.

Source: Medical Decision Making - May 24, 2016 Category: Health Management Authors: Barbieri, A., Anota, A., Conroy, T., Gourgou-Bourgade, S., Juzyna, B., Bonnetain, F., Lavergne, C., Bascoul-Mollevi, C. Tags: Original Articles Source Type: research