|Kappa coefficient1||Percent agreement|
|Bryce and colleagues||.70||Unavailable|
1 Kappa coefficient is the proportion of agreement controlling for change agreement, with 1.0 representing perfect agreement between raters. Kappa coefficients greater than .60 or .70 reflect substantial interrater agreement.
This article was published in Physical Medicine and Rehabilitation Clinics of North America, 18, Ullrich, Pain Following Spinal Cord Injury, 217-233, Copyright Elsevier (2007).