A novel method for the translation and cross-cultural adaptation of health-related quality of life patient-reported outcome measurements

Table 2 Two examples of the feedback obtained from the expert panel during Round 2

Round 2—expert panel review using the Delphi method PFDI-20 summary results from Round 2
PFDI-20 Items	Single forward version	Alternatives from Round 1 The alternatives from Round 1 are voted on in Round 2	Outcome^a,b	Consensus ^b,^c % (Median)	Comment
Question 10	Single Forward Version: Har du vanligvis ufrivillig avføring hvis avføringen løs eller flytende?	Alternative 1: Har du ofte avføringslekkasje når avføringen er løs eller flytende? Alternative 2: Har du vanligvis avføringslekkasje når avføringen er løs eller flytende?	Alternative 1	A1 100% (5)	No comments
Question 20	Single Forward Version: Kjenner du vanligvis smerte eller ubehag i den nedre delen av magen eller underlivet	Alternative 1: Kjenner du ofte smerte eller ubehag i nedre del av magen eller underlivet? Alternative 2: Har du ofte smerte eller ubehag i nedre del av magen eller underlivet?	Voted on however no consensus reached A1 87.5% A2 87.5% To be discussed and voted on in Round 4	No consensus Both A1 and A2 reached the same percentage 87.5% (4)	No comments

The content of questions and analysis of responses were re-circulated for clarification until a clear set of items that had cross-culture equivalence was identified for inclusion. ^aThe Question used during rounds 2–4: Have all the equivalences being met and do you believe the item should be selected in the final PFIQ-20 and PFIQ-7 questionnaires?—state the degree of agreement with specific domain terminology and four areas of equivalence using the Likert scale: 1 strongly agree—2 disagree—3 undecided—4 agree—5 strongly agree. ^bLetters and Numbers in bold means that consensus has been reached with no further comments or rounds required. ^cConsensus is defined as those items rated as median > 4 by at least 75% of the expert panellists with no additional comments

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