Cancer Incidence in HIV-Infected People in Scotland
Author Information
Author(s): Allardice G M, Hole D J, Brewster D H, Boyd J, Goldberg D J
Primary Institution: University of Strathclyde
Hypothesis
What is the incidence of malignant neoplasms among HIV-infected persons in Scotland?
Conclusion
HIV-infected individuals in Scotland have a significantly higher incidence of malignant neoplasms compared to the general population.
Supporting Evidence
- The incidence of malignancy among the HIV-infected population was 11 times that of the general population.
- The SIR for AIDS-defining malignant neoplasms was 100.0 (95% CI 84.1, 118.1).
- The SIR for non-AIDS-defining malignant neoplasms was 1.8 (95% CI 1.1, 2.6).
- Kaposi's sarcoma and non-Hodgkin's lymphoma showed significantly increased incidence among HIV-infected persons.
- High rates of smoking among HIV-infected gay men may contribute to the excess of lung cancer.
Takeaway
People with HIV in Scotland get cancer much more often than those without HIV, especially certain types of cancer.
Methodology
The study linked records from Scotland's HIV database with the Scottish Cancer Registry to analyze cancer incidence among HIV-diagnosed individuals from 1980 to 1996.
Potential Biases
There may be bias due to closer clinical scrutiny of the HIV cohort leading to earlier diagnoses compared to the general population.
Limitations
The study could not account for factors like lifestyle, deprivation, or coinfection with other viruses, and it only included data up to 1996.
Participant Demographics
The cohort included 2574 HIV-infected individuals, with 1955 males and 619 females, and a median age of 28 at HIV diagnosis.
Statistical Information
Confidence Interval
95% CI 9.2, 12.6
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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