Smoking and Pneumonia Risk in HIV Patients
Author Information
Author(s): Murdoch David M, Napravnik Sonia, Eron Jr Joseph J, Van Rie Annelies
Primary Institution: Duke University Medical Center
Hypothesis
Does smoking increase the risk of pneumonia among HIV-infected patients receiving care in the HAART era?
Conclusion
HIV-positive smokers had over a 2-fold increase in the rate of pneumonia, but this trend did not reach statistical significance in multivariable models.
Supporting Evidence
- Current smoking was common among the study population, with 67% of patients identified as smokers.
- The incidence rate of pneumonia among smokers was 7.2 per 100 person-years compared to 2.9 among non-smokers.
- HAART use was found to decrease pneumonia risk significantly.
Takeaway
Smoking can make people with HIV more likely to get pneumonia, but it's not clear if it definitely does.
Methodology
An observational cohort study of 300 HIV-positive patients receiving care between 1996 and 2005 was conducted to assess the effect of smoking on pneumonia risk.
Potential Biases
Self-reported smoking status may introduce bias, and the study population may not fully represent the overall cohort.
Limitations
The diagnosis of pneumonia was made as part of routine care without bacteriological confirmation in 53% of cases, and the study relied on self-reported behaviors.
Participant Demographics
67% were men, 76% were African American, and the median age was 44 years.
Statistical Information
P-Value
0.06
Confidence Interval
95% CI: 0.98, 3.21
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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