minimal detectable change

定義

• the smallest change in score that can be detected beyond random error

使用

• 若MDC太大，可能難以在介入研究中使用。因為若介入的效果不夠大，改變可能被視為是在誤差之內。

相關文獻

Turner, D., Schünemann, H. J., Griffith, L. E., Beaton, D. E., Griffiths, A. M., Critch, J. N., & Guyatt, G. H. (2010). The minimal detectable change cannot reliably replace the minimal important difference. Journal of Clinical Epidemiology, 63(1), 28–36. https://doi.org/10.1016/j.jclinepi.2009.01.024

Huang, S.-L., Hsieh, C.-L., Wu, R.-M., Tai, C.-H., Lin, C.-H., & Lu, W.-S. (2011). Minimal detectable change of the timed “up & go” test and the dynamic gait index in people with Parkinson disease. Physical Therapy, 91(1), 114–121. https://doi.org/10.2522/ptj.20090126