Patients' Perception of Postoperative Pain Management: Validation of the International Pain Outcomes (IPO) Questionnaire

Judith Rothaug^{a b c d}✉, Ruth Zaslansky^{b c d e}, Matthias M. Schwenkglenks^f, Marcus Komann^{b c d e}, Renée Allvin^g, Ragnar Bäckström^g, Silviu Brill^{h i}, Ingo Buchholz^j, Christoph Engel^{k l}, Dominique Fletcher^m, Lucian Fodorⁿ, Peter J. Funk^{o p}, H. U. Gerbershagen^q, Debra B. Gordon^r, Christoph Johannes Konrad^s, Andreas Köpf^t, Yigal Leykin^{u v}, Esther Miriam Pogatzki-Zahn^w, Margarita M. Puig^x, Narinder Rawal^g, Rod Stephen Taylor^y, K. Ullrich^z, Thomas J. Volk^{aa ab}, Maryam Yahiaoui‐Doktor^{k l}, Winfried Meißner^{b c d e}

1. ^aDepartment of Anesthesiology and Intensive Care, Friedrich-Schiller University Hospital, Jena, Germany. Electronic address: judith.rothaug@med.uni-jena.de
2. ^bDepartment of Anesthesiology and Intensive Care
3. ^cFriedrich-Schiller University Hospital
4. ^dJena Germany
5. ^eDepartment of Anesthesiology and Intensive Care, Friedrich-Schiller University Hospital, Jena, Germany
6. ^fEuropean Center of Pharmaceutical Medicine, University Basel, Switzerland
7. ^gDepartment of Anesthesiology and Intensive Care, University Hospital Örebro, Sweden
8. ^hDepartment of Anesthesiology and Intensive Care, Sourasky Medical Center, Tel Aviv, Israel
9. ⁱDepartment of Anesthesiology and Intensive Care Sourasky Medical Center Tel‐Aviv Israel
10. ^jTAKWA GmbH, Erfurt, Germany
11. ^kInstitute for Medical Informatics, Statistics and Epidemiology, University Leipzig, Germany