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      International Journal of COPD (submit here)

      This international, peer-reviewed Open Access journal by Dove Medical Press focuses on pathophysiological processes underlying Chronic Obstructive Pulmonary Disease (COPD) interventions, patient focused education, and self-management protocols. Sign up for email alerts here.

      39,063 Monthly downloads/views I 2.893 Impact Factor I 5.2 CiteScore I 1.16 Source Normalized Impact per Paper (SNIP) I 0.804 Scimago Journal & Country Rank (SJR)

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      Comparison of disease-severity measures within severe and very severe COPD patients: results from a nationally representative chart review and patient survey.

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          Abstract

          This study aimed to compare spirometry- and risk + symptom-based classification systems to physician-based severity assessment and find which system is most predictive of patient-reported health status, as measured by the St George's Respiratory Questionnaire for COPD (chronic obstructive pulmonary disease; SGRQ-C).

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          Standards for the diagnosis and treatment of patients with COPD: a summary of the ATS/ERS position paper.

          W MacNee, , B Celli (2004)
          Article 0 comments Cited 481 times – based on 0 reviews     Review now
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            Creating scenarios of the impact of copd and their relationship to copd assessment test (CAT™) scores

            Paul W Jones, Margaret Tabberer, Wen-Hung Chen (2011)
            Background The COPD Assessment Test (CAT™) is a new short health status measure for routine use. New questionnaires require reference points so that users can understand the scores; descriptive scenarios are one way of doing this. A novel method of creating scenarios is described. Methods A Bland and Altman plot showed a consistent relationship between CAT scores and scores obtained with the St George's Respiratory Questionnaire for COPD (SGRQ-C) permitting a direct mapping process between CAT and SGRQ items. The severity associated with each CAT item was calculated using a probabilistic model and expressed in logits (log odds of a patient of given severity affirming that item 50% of the time). Severity estimates for SGRQ-C items in logits were also available, allowing direct comparisons with CAT items. CAT scores were categorised into Low, Medium, High and Very High Impact. SGRQ items of corresponding severity were used to create scenarios associated with each category. Results Each CAT category was associated with a scenario comprising 12 to 16 SGRQ-C items. A severity 'ladder' associating CAT scores with exemplar health status effects was also created. Items associated with 'Low' and 'Medium' Impact appeared to be subjectively quite severe in terms of their effect on daily life. Conclusions These scenarios provide users of the CAT with a good sense of the health impact associated with different scores. More generally they provide a surprising insight into the severity of the effects of COPD, even in patients with apparently mild-moderate health status impact.
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              Office spirometry significantly improves early detection of COPD in general practice: the DIDASCO Study.

              Jan Degryse, Jan Heyrman, J Buffels … (2004)
              To determine if spirometry is essential for the early detection of COPD in general practice, compared to the screening value of a short questionnaire. A prospective survey of the population aged 35 to 70 years visiting their general practitioner (GP) during a 12-week period, using a questionnaire on symptoms of obstructive lung disease (OLD). Spirometry was performed in all participants with positive answers and in a 10% random sample from the group without complaints. Twenty GPs were provided with a hand-held spirometer, and received training in performance and interpretation of lung function tests. All 35- to 70-year-old patients (n = 3,408) were screened for current use of bronchodilators. The subgroup receiving bronchodilators (n = 250, 7%) was assumed to have OLD, and was excluded. Airflow obstruction was defined according to the European Respiratory Society standards. The positive predictive power of the questionnaire was low (sensitivity, 58%; specificity, 78%; likelihood ratio, 2.6). One hundred twenty-six cases of formerly unknown OLD were detected in the group of patients with complaints, vs an extrapolated number of 90 in the group without complaints. Despite a negative predictive value of 95% for the questionnaire used, 42% of the newly diagnosed cases of OLD would not have been detected without spirometry. The use of a spirometer is mandatory if early stages of OLD are to be detected in general practice. Screening for airflow obstruction almost doubles the number of known patients with OLD.
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                Author and article information

                Journal
                Journal ID (iso-abbrev): Int J Chron Obstruct Pulmon Dis
                Title: International journal of chronic obstructive pulmonary disease
                Publisher: Dove Medical Press Ltd.
                ISSN (Electronic): 1178-2005
                ISSN (Print): 1176-9106
                Publication date (Electronic): 2014
                Volume: 9
                Affiliations
                [1 ] Pharmerit International, Bethesda, MD, USA.
                [2 ] Forest Research Institute, Jersey City, NJ, USA.
                [3 ] Medical Data Analytics, Parsippany, NJ, USA.
                [4 ] Pulmonary Critical Care, Washington Hospital Center and Georgetown University, Washington, DC, USA.
                Article
                Publisher Item ID: copd-9-991
                DOI: 10.2147/COPD.S66798
                PMC ID: 4181550
                PubMed ID: 25284999
                SO-VID: ee3bf2aa-a71e-454d-9b69-1b3d80a20129
                History

                Keywords: COPD,disease-severity measures,pharmacoepidemiology
                Data availability:
                Keywords: COPD, disease-severity measures, pharmacoepidemiology

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