... moderately well with four of the eight SF-36 domains, items 5 with 5domains, item 7 with 6 and items 4 and 6 with all eightdomains.Rasch analysis In the Rasch analysis, each of the remaining six items ... instrument is a reliable and valid instru-ment for assessing symptoms in patients with AF. Advan-tages, in addition to being AF specific, are that it can beincluded in a routine clinical visit, that ... regarding the statistical method-ology, the analysis of the results and in the writing of themanuscript.JC: made statistical analyses and gave scientific input in the analysis of the results and...