Poster 403 Using Item Response Theory to Determine the Ability of the Numeric Rating Scale to Accurately Discriminate Between Levels of Pain Severity in Patients with Radicular or Musculoskeletal Pain
: Mattie R, McCormick Z, Saltychev M, Laimi K
: 2016
PM&R
: 8
: 9, suppl.
: s293
: s293
DOI: https://doi.org/10.1016/j.pmrj.2016.07.330
