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| Title |
Heterogeneity of asthma and COPD overlap
|
|---|---|
| Published in |
International Journal of Chronic Obstructive Pulmonary Disease, April 2018
|
| DOI | 10.2147/copd.s152916 |
| Pubmed ID | |
| Authors |
Min-Hye Kim, Chin Kook Rhee, Kyungjoo Kim, Sang Hyun Kim, Jung Yeon Lee, Yee Hyung Kim, Kwang Ha Yoo, Young-Joo Cho, Ki-Suck Jung, Jin Hwa Lee |
| Abstract |
Asthma and COPD are heterogeneous diseases. Patients with both disease features (asthma-COPD overlap [ACO]) are common. However, clinical characteristics and socio-economic burden of ACO are still controversial. The aim of this study was to identify the heterogeneity of ACO and to find out the subtypes with clinical impact among ACO subtypes. In the Korean National Health and Nutrition Examination Survey (KNHANES) conducted between 2007 and 2012, subjects who were ≥40 years and had prebronchodilator FEV1/FVC <0.7 and FEV1 ≥50% predicted were included. The presence or absence of self-reported wheezing was indicated by W+ or W- and used as an index of airway hyper-responsiveness. S+/S- was defined as subjects who were smokers/never smokers. The subjects were divided into the following four groups: W-S-, W-S+, W+S-, and W+S+. W+S- and W+S+ were asthma-predominant ACO and COPD-predominant ACO, respectively. KNHANES and linked National Health Insurance data were analyzed. The asthma-predominant ACO group showed the lowest socioeconomic status, FEV1, FVC% predicted, and quality of life (QoL) levels. The COPD-predominant ACO group showed the highest hospitalization rate, outpatient medical cost, and total and outpatient health care utilization. COPD-predominant ACO was associated with exacerbations compared to the W-S- group (adjusted odds ratio [aOR], 1.79; 95% confidence interval [CI], 1.12-2.85; P=0.015) and W-S+ group (OR 2.11; 95% CI 1.43-3.10; P<0.001). COPD-predominant ACO was associated with increased medical cost. Asthma-predominant ACO individuals displayed poorer socioeconomic status and QoL compared to the COPD-predominant ACO group. The COPD-predominant ACO group displayed more frequent exacerbations and greater medical costs. Considering the heterogeneity of ACO, it is desirable to identify subtypes of ACO patients and appropriately allocate limited medical resources. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 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 53 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 53 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Master | 9 | 17% |
| Other | 4 | 8% |
| Professor | 4 | 8% |
| Researcher | 4 | 8% |
| Student > Bachelor | 3 | 6% |
| Other | 9 | 17% |
| Unknown | 20 | 38% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 16 | 30% |
| Nursing and Health Professions | 5 | 9% |
| Economics, Econometrics and Finance | 2 | 4% |
| Computer Science | 1 | 2% |
| Immunology and Microbiology | 1 | 2% |
| Other | 4 | 8% |
| Unknown | 24 | 45% |
Attention Score in Context
This research output has an Altmetric Attention Score of 10. 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 24 April 2018.
All research outputs
#3,623,572
of 25,382,440 outputs
Outputs from International Journal of Chronic Obstructive Pulmonary Disease
#449
of 2,578 outputs
Outputs of similar age
#70,971
of 343,807 outputs
Outputs of similar age from International Journal of Chronic Obstructive Pulmonary Disease
#20
of 82 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. Compared to these this one has done well and is in the 85th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
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 has done well, scoring higher than 81% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 343,807 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 79% of its contemporaries.
We're also able to compare this research output to 82 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 75% of its contemporaries.