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The BODECOST Index (BCI): a composite index for assessing the impact of COPD in real life

Overview of attention for article published in Multidisciplinary Respiratory Medicine, March 2016
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Title
The BODECOST Index (BCI): a composite index for assessing the impact of COPD in real life
Published in
Multidisciplinary Respiratory Medicine, March 2016
DOI 10.1186/s40248-016-0045-4
Pubmed ID
Authors

Roberto W. Dal Negro, Bartolome R. Celli

Abstract

Chronic Obstructive Pulmonary Disease (COPD) is a progressive condition which is characterized by a dramatic socio-economic impact. Several indices were extensively investigated in order to asses the mortality risk in COPD, but the utilization of health care resources was never included in calculations. The aim of this study was to assess the predictive value of annual cost of care on COPD mortality at three years, and to develop a comprehensive index for easy calculation of mortality risk in real life. COPD patients were anonymously and automatically selected from the local institutional Data Base. Selection criteria were: COPD diagnosis; both genders; age ≥ 40 years; availability of at least one complete clinical record/year, including history; clinical signs; complete lung function, therapeutic strategy, health BODE index; Charlson Comorbidity Index, and outcomes, collected at the first visit, and over the following 3-years. At the first visit, the health annual cost of care was calculated in each patient for the previous 12 months, and the survival rate was also measured over the following 3 years. The hospitalization and the exacerbation rate were implemented to the BODE index and the novel index thus obtained was called BODECOST index (BCI), ranging from 0 to 10 points. The mean cost for each BCI step was calculated and then compared to the corresponding patients' survival duration. Parametrical, non parametrical tests, and linear regression were used; p < 0.05 was accepted as the lower limit of significance. At the first visit, the selected 275 patients were well matched for all variables by gender. The overall mortality over the 3 year survey was 40.4 % (n = 111/275). When compared to that of BODE index (r = 0.22), the total annual cost of care and the number of exacerbations showed the highest regression value vs the survival time (r = 0.58 and r = 0.44, respectively). BCI score proved strictly proportional to both the cost of care and the survival time in our sample of COPD patients. BCI takes origin from the implementation of the BODE index with the two main components of the annual cost of care, such as the number of hospitalizations and of exacerbations occurring yearly in COPD patients, and their corresponding economic impact. In other words, higher the BCI score, shorter the survival and higher the cost, these trends being strictly linked. BCI is a novel composite index which helps in predicting the impact of COPD at 3 years in real life, both in terms of patients' survival and of COPD economic burden.

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Mendeley readers

The data shown below were compiled from readership statistics for 10 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 30%
Student > Bachelor 2 20%
Student > Postgraduate 2 20%
Lecturer 1 10%
Student > Doctoral Student 1 10%
Other 1 10%
Readers by discipline Count As %
Medicine and Dentistry 6 60%
Nursing and Health Professions 3 30%
Unspecified 1 10%

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 09 March 2016.
All research outputs
#10,415,457
of 13,633,853 outputs
Outputs from Multidisciplinary Respiratory Medicine
#154
of 231 outputs
Outputs of similar age
#170,341
of 266,206 outputs
Outputs of similar age from Multidisciplinary Respiratory Medicine
#1
of 1 outputs
Altmetric has tracked 13,633,853 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 231 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.2. This one is in the 27th percentile – i.e., 27% of its peers scored the same or lower than it.
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