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| Title |
Functional performance in patients with COPD: association with treatment regimen, GOLD group, lung function, and symptom burden in a cross-sectional study
|
|---|---|
| Published in |
International Journal of Chronic Obstructive Pulmonary Disease, September 2018
|
| DOI | 10.2147/copd.s170391 |
| Pubmed ID | |
| Authors |
Bo Ding, Davneet Judge, Mark Small, Nawal Bent-Ennakhil, Shahid Siddiqui |
| Abstract |
Data suggesting that low physical activity levels are associated with increased mortality and exacerbations in patients with COPD have led to increasing interest in the role of physical activity in COPD. This study evaluated self-reported functional performance, a measure of physical activity impairment, according to current treatment regimen, lung function, symptoms, and Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 groups in a large sample of patients with COPD. This multicenter, cross-sectional, observational study (study identifier: D5970R00003) included patients with COPD (≥40 years) in the USA. A self-completion questionnaire captured demographics and patient-reported outcomes, including the Functional Performance Inventory-Short Form (FPI-SF). Diagnosis and treatment history (including spirometry results) were extracted from medical charts. Multiple linear regression was used to determine the relationship between FPI-SF and FEV1 % predicted, and FPI-SF and COPD assessment test (CAT) score. Overall, 1,775 patients participated (classified as GOLD 2017 group A, 14.8%; B, 46.6%; C, 2.6%; D, 36.0%). Physical activity impairment affected patients across all treatment regimens and GOLD groups (mean FPI-SF total score: 2.1), with the greatest impairment within FPI-SF observed for domains requiring most physical exertion, "physical exercise" and "maintaining the household" (mean FPI-SF scores: 1.7 and 1.8, respectively). Patients receiving loose triple therapy and those in GOLD group D had the highest impairment (mean FPI-SF total scores: both 1.9), and the lowest FEV1 % predicted (55.5% and 54.7%, respectively). FPI-SF total score correlated with FEV1 % predicted and more strongly with CAT score (all P<0.05). The stronger correlation between FPI-SF and CAT scores compared to FPI-SF and FEV1 % predicted suggests that symptoms may have a greater impact on patients' functional performance than lung function. Further longitudinal studies are required to establish a correlation between the effect of treatment on symptoms, lung function, and physical activity. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 41 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 8 | 20% |
| Student > Master | 7 | 17% |
| Student > Bachelor | 4 | 10% |
| Researcher | 3 | 7% |
| Other | 2 | 5% |
| Other | 2 | 5% |
| Unknown | 15 | 37% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 10 | 24% |
| Nursing and Health Professions | 8 | 20% |
| Computer Science | 2 | 5% |
| Psychology | 2 | 5% |
| Pharmacology, Toxicology and Pharmaceutical Science | 1 | 2% |
| Other | 3 | 7% |
| Unknown | 15 | 37% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 September 2018.
All research outputs
#17,292,294
of 25,385,509 outputs
Outputs from International Journal of Chronic Obstructive Pulmonary Disease
#1,732
of 2,578 outputs
Outputs of similar age
#222,996
of 345,739 outputs
Outputs of similar age from International Journal of Chronic Obstructive Pulmonary Disease
#61
of 90 outputs
Altmetric has tracked 25,385,509 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,578 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.5. This one is in the 24th percentile – i.e., 24% of its peers scored the same or lower than it.
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We're also able to compare this research output to 90 others from the same source and published within six weeks on either side of this one. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.