Table 4: Reliability of SCI pain classification systems

Kappa coefficient1 Percent agreement
Bryce and colleagues .70 Unavailable
Cardenas .68 Unavailable
Donovan .55 50%-62%
IASP .49 52%
Tunks .49 27%

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).