• Christian Dualé, Ulrich Bauer, Brigitte Storme, Vedat Eljezi, Ruth Ruscheweyh, Sylvie Eschalier, Claude Dubray, and Candy Guiguet-Auclair.
• Centre de Pharmacologie Clinique (INSERM CIC1405), CHU de Clermont-Ferrand, 58 rue Montalembert, BP 69, 63003, Clermont-Ferrand Cedex 1, France. cduale@chu-clermontferrand.fr.
• Can J Anaesth. 2019 Oct 1; 66 (10): 1202-1212.

PurposeTo validate a French translation of the Pain Sensitivity Questionnaire (PSQ), which is a valuable tool to predict an individual's natural disposition to feel pain that could be used after surgery.MethodsWe studied content validity, internal consistency, convergent validity (anxiety, depression and catastrophism) and test-retest reliability of the French version of the PSQ (PSQ-F) in 146 patients either before scheduled surgery or during pregnancy; then, convergent and concurrent validity in 85 healthy volunteers submitted to nociceptive tests.ResultsInternal consistency of the PSQ-F was found to be excellent, with Cronbach's α at 0.866, 0.886, and 0.927, respectively for its "minor", "moderate" and "total" scores. Test-retest reliability was significant, with intraclass correlation coefficients at 0.629, 0.629, and 0.635, respectively for the above- mentioned scores. These three scores correlated with anxiety, depression and catastrophizing scores in patients, but not in healthy volunteers, possibly because of low and few variant psychometric scores in this group. They were inversely correlated to the temperature needed to evoke heat pain rated 6 out of 10, but not to the mechanical pain threshold (electronic von Frey), nor to the heat pain threshold. Finally, they directly correlated to the pain induced by the cold pressor test (minor and total scores only).DiscussionThis validated version can now be used by French-speaking researchers and physicians.Trial Registrationwww.ClinicalTrials.gov (NCT03113903); 14 April, 2017.

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