Patient-Determined Important Change for the Neck Disability Index With Application of Credibility Analysis: An Exploratory Study

J Manipulative Physiol Ther. 2024 Oct 14:S0161-4754(24)00055-1. doi: 10.1016/j.jmpt.2024.08.016. Online ahead of print. ABSTRACT OBJECTIVE: The purposes of this study were to preliminarily report patient-identified change for the neck disability index (NDI) as either important or not important with time between follow-up of approximately 7 to 10 days and assess the credibility of the preliminary […]