| Title |
A meta-analysis of asthma and risk of lung cancer (United States)
|
|---|---|
| Published in |
Cancer Causes & Control, May 2003
|
| DOI | 10.1023/a:1023982402137 |
| Pubmed ID | |
| Authors |
Alfredo A. Santillan, Carlos A. Camargo, Graham A. Colditz |
| Abstract |
To review epidemiologic evidence that asthma is a risk factor for lung cancer, with particular attention to the role of smoking on this association. Through MEDLINE computer searches (January 1966 to April 2002) and a review of references, we identified studies with quantitative data on the relation of asthma to lung cancer. Summary estimates of relative risks (RR) were calculated using the fixed-effects model or the random-effects model as appropriate. The combined results from five case-control studies--that presented data limited to individuals who had never smoked--showed a 1.8-fold increase in lung cancer risk among asthmatics (95% confidence interval (CI) = 1.3-2.3). The results from six case-control and four cohort studies, which controlled for smoking history also were significant (RR = 1.7; 95% CI = 1.3-2.2). Finally, to illustrate the potential confounding by tobacco, we combined data from seven cohort studies that did not control for smoking history and found an overall RR of 1.4 (95% CI = 1.2-1.6). The increased risk of lung cancer among never smoking individuals with asthma supports a direct relation between asthma and lung cancer. There is biological evidence to support this association. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United Kingdom | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Practitioners (doctors, other healthcare professionals) | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 70 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Spain | 1 | 1% |
| United States | 1 | 1% |
| Unknown | 68 | 97% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 14 | 20% |
| Student > Master | 11 | 16% |
| Student > Ph. D. Student | 8 | 11% |
| Student > Doctoral Student | 7 | 10% |
| Other | 5 | 7% |
| Other | 14 | 20% |
| Unknown | 11 | 16% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 34 | 49% |
| Agricultural and Biological Sciences | 7 | 10% |
| Biochemistry, Genetics and Molecular Biology | 6 | 9% |
| Environmental Science | 2 | 3% |
| Sports and Recreations | 2 | 3% |
| Other | 7 | 10% |
| Unknown | 12 | 17% |
Attention Score in Context
This research output has an Altmetric Attention Score of 4. 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 04 December 2014.
All research outputs
#7,960,512
of 25,374,917 outputs
Outputs from Cancer Causes & Control
#905
of 2,266 outputs
Outputs of similar age
#18,012
of 54,887 outputs
Outputs of similar age from Cancer Causes & Control
#3
of 10 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one has received more attention than most of these and is in the 67th percentile.
So far Altmetric has tracked 2,266 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.4. This one has gotten more attention than average, scoring higher than 58% 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 54,887 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.
We're also able to compare this research output to 10 others from the same source and published within six weeks on either side of this one. This one has scored higher than 7 of them.