Patients' perception of postoperative pain management: validation of the international pain outcomes (IPO) questionnaire

Rothaug, J. et al. (2013) Patients' perception of postoperative pain management: validation of the international pain outcomes (IPO) questionnaire. Journal of Pain, 14(11), pp. 1361-1370. (doi: 10.1016/j.jpain.2013.05.016) (PMID:24021577)

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Abstract

PAIN OUT is a European Commission-funded project aiming at improving postoperative pain management. It combines a registry that can be useful for quality improvement and research using treatment and patient-reported outcome measures. The core of the project is a patient questionnaire—the International Pain Outcomes questionnaire—that comprises key patient-level outcomes of postoperative pain management, including pain intensity, physical and emotional functional interference, side effects, and perceptions of care. Its psychometric quality after translation and adaptation to European patients is the subject of this validation study. The questionnaire was administered to 9,727 patients in 10 languages in 8 European countries and Israel. Construct validity was assessed using factor analysis. Discriminant validity assessment used Mann-Whitney U tests to detect mean group differences between 2 surgical disciplines. Internal consistency reliability was calculated as Cronbach's alpha. Factor analysis resulted in a 3-factor structure explaining 53.6% of variance. Cronbach's alpha at overall scale level was high (.86), and for the 3 subscales was low, moderate, or high (range, .53–.89). Significant mean group differences between general and orthopedic surgery patients confirmed discriminant validity. The psychometric quality of the International Pain Outcomes questionnaire can be regarded as satisfactory.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Taylor, Professor Rod
Authors: Rothaug, J., Zaslansky, R., Schwenkglenks, M., Komann, M., Allvin, R., Backström, R., Brill, S., Buchholz, I., Engel, C., Fletcher, D., Fodor, L., Funk, P., Gerbershagen, H. J., Gordon, D. B., Konrad, C., Kopf, A., Leykin, Y., Pogatzki-Zahn, E., Puig, M., Rawal, N., Taylor, R. S., Ullrich, K., Volk, T., Yahiaoui-Doktor, M., and Meissner, W.
College/School:College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > MRC/CSO SPHSU
Journal Name:Journal of Pain
Publisher:Elsevier
ISSN:1526-5900
ISSN (Online):1528-8447
Published Online:09 September 2013

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