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Fisioterapia em Movimento

Print version ISSN 0103-5150On-line version ISSN 1980-5918

Abstract

CANCELLIERO-GAIAD, Karina Maria et al. Correlation between functional capacity and health-related quality of life in COPD: a case series. Fisioter. mov. [online]. 2014, vol.27, n.4, pp.505-514. ISSN 0103-5150.  http://dx.doi.org/10.1590/0103-5150.027.004.AO02.

Objective

To correlate functional capacity test scores from chronic obstructive pulmonary disease (COPD) subjects with their functional state as assessed by health-related quality of life questionnaires (one respiratory disease-specific [SGRQ] and one generic [SF-36] questionnaire).

Materials and methods

Study of a case series of 8 COPD patients. The following tests were performed: 1) Six-minute walk test (6-MWT); 2) Shuttle walking test (SWT); 3) Six-minute step test (6-MST); 4) Two-minute sit-to-stand test (STST); and 5) Pegboard and ring test (PBRT). Besides these tests, two health-related quality of life questionnaires were administered: The St George's Respiratory Questionnaire (SGRQ) and the Short Form 36 (SF-36) health survey questionnaire. The statistical analysis was carried out by using the Shapiro-Wilk normality test, while correlations were assessed using Pearson's (parametric data) or Spearman's (non-parametric data) rank tests, with p < 0.05.

Results

The 6-MWT showed strong correlation with the SF-36 scales of physical functioning, general health, vitality, social functioning and mental health. Conversely, the other functional capacity tests showed no correlation with this questionnaire. The SGRQ showed no correlation with any of the tests.

Conclusions

The 6-MWT may be a good test to reflect the health-related quality of life of COPD subjects.

Keywords : Quality of life; COPD; Exercise test.

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