Handling missing items in the Exacerbations of Chronic Pulmonary Disease Tool. Issue 2 (12th May 2016)

• Record Type: Journal Article
• Authors: Hitchings, Andrew W.; Baker, Emma H.; Jones, Paul W.
• Is Part Of: European respiratory journal. Volume 48:Issue 2(2016)
• Page Start: 564
• Page End: 566
• Publication Date: 2016-05-12
• Subjects: Respiratory organs -- Diseases -- Periodicals; Respiration -- Periodicals; 616.2
• DOI: 10.1183/13993003.00269-2016
• Languages: English
• ISSNs: 0903-1936

Abstract

The Exacerbations of Chronic Pulmonary Disease Tool (EXACT) is a 14-item, self-administered daily symptom diary designed to identify and characterise exacerbations of chronic obstructive pulmonary disease (COPD). It provides a reliable, valid and standardised measure of exacerbation symptoms, and is sensitive to changes during recovery [1]. Scores are expressed on a 100-point scale, with higher values indicating worse symptoms or health state. In addition, the EXACT-derived E-RS (EXACT Respiratory Symptoms) provides valid daily COPD symptom scores [2, 3]. Electronic administration is recommended and has several advantages, notably in preventing item omission [4]. However, the expense of electronic solutions may prove prohibitive, particularly in noncommercial studies, when a pen-and-paper version may be used instead. In this context, it is important to have a method to deal with missing items. This is yet to be established. Within certain limits, missing items in the EXACT instrument can be imputed from the remaining answered items http://ow.ly/4mJQzP