• Pain · Apr 2024

    Pediatric chronic pain grading-a revised classification of the severity of pediatric chronic pain.

    • Susanne Grothus, Ariane Sommer, Lorin Stahlschmidt, Gerrit Hirschfeld, Lea Höfel, Roland Linder, Boris Zernikow, and Julia Wager.
    • German Paediatric Pain Centre, Children's and Adolescents' Hospital, Datteln, Germany.
    • Pain. 2024 Apr 5.

    AbstractIn this study, we describe the development and validation of a revised Pediatric Chronic Pain Grading (P-CPG) for children aged 8 to 17 years that adds emotional impairment to previously used measures of pain intensity and functional impairment. Such a measure enables the assessment of chronic pain severity in different epidemiological and clinical populations, the stratification of treatment according to pain severity, and the monitoring of treatment outcome. The P-CPG was developed using a representative sample of school children with chronic pain (n = 454; Mage = 12.95, SD = 2.22). Construct validity and sensitivity to change were examined within a sample of N = 2448 children and adolescents (Mage = 12.71, SD = 2.47) comprising 3 subsamples (school n = 1562, primary care n = 129, and tertiary care n = 757) affected by chronic pain to varying extents. Results showed that P-CPG grades differed significantly among the 3 subsamples, with school children being least affected by chronic pain and tertiary care patients being most affected. As P-CPG grade increased, so did pain intensity, functional impairment, pain-related school absence, and emotional impairment. Convergent validity was demonstrated by significant positive correlations between the P-CPG and global ratings of pain severity as well as objective claims data; the latter reflects greater health care costs with increasing P-CPG scores. Sensitivity to change was supported by a significant reduction in baseline P-CPG grades 3 and 6 months after intensive interdisciplinary pain treatment in tertiary care sample. In conclusion, the P-CPG is an appropriate measure of pain severity in children and adolescents with chronic pain in clinical as well as epidemiological settings.Copyright © 2024 International Association for the Study of Pain.

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