Screening for severe physical inactivity in chronic obstructive pulmonary disease: The value of simple measures and the validation of two physical activity questionnaires

Zachary Depew, Adrian C. Garofoli, Paul J. Novotny, Roberto P. Benzo

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Objectively measured severe physical inactivity (SPI) has been reported as the strongest independent predictor of mortality in patients with chronic obstructive pulmonary disease (COPD). Activity monitoring is not feasible in routine clinical practice; therefore, we set out to determine the utility of simple clinical measures for predicting SPI in patients with COPD. A total of 165 patients with COPD wore an activity monitor for 5 days to define the presence or absence of SPI. Logistic models were generated including the modified Medical Research Council (MMRC) dyspnea grade, spirometry and the age-dyspnea-airflow obstruction (ADO) index. Physical Activity Scale for the Elderly (PASE) and Stanford Brief Activity Scale (SBAS) were also tested for validity and reliability in a subgroup of 67 patients. The MMRC dyspnea grade, PASE score, ADO index and SBAS score were associated with SPI, but general self-efficacy and spirometry were not. An MMRC dyspnea grade ≥3 was the best independent predictor of SPI (AUC: 0.74; PPV: 0.83; NPV: 0.68) followed closely by a PASE score of

Original languageEnglish
Pages (from-to)19-27
Number of pages9
JournalChronic Respiratory Disease
Volume10
Issue number1
DOIs
StatePublished - Feb 2013
Externally publishedYes

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Dyspnea
Chronic Obstructive Pulmonary Disease
Exercise
Biomedical Research
Spirometry
Self Efficacy
Reproducibility of Results
Area Under Curve
Logistic Models
Surveys and Questionnaires
Mortality

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine

Cite this

Screening for severe physical inactivity in chronic obstructive pulmonary disease : The value of simple measures and the validation of two physical activity questionnaires. / Depew, Zachary; Garofoli, Adrian C.; Novotny, Paul J.; Benzo, Roberto P.

In: Chronic Respiratory Disease, Vol. 10, No. 1, 02.2013, p. 19-27.

Research output: Contribution to journalArticle

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