within-subject differences

within-subject differences

A term referring to the variability of a person’s responses to a drug over time, which can be assessed with a crossover trial, where variability is used to assess treatment differences.
References in periodicals archive ?
Repeated measures (RM) general linear model (GLM) tests were completed to determine if there were statistically significant within-subject differences between pre- and post 6 MW distances (6MWD) or between each of the six minutes of exercise for SPO2%, HR, RPE, and SOB.
One recent study in normal subjects reported considerable short-term within-subject differences in IGF-I and indicated the need for caution in the use of risk ratios based on single measurements in the clinical setting (17).