Prevalence of Tuberculosis in Karachi's Poor Areas
Author Information
Author(s): Akhtar Saeed, White Franklin, Hasan Rumina, Rozi Shafquat, Younus Mohammad, Ahmed Faiza, Husain Sara, Khan Bilquis Sana
Primary Institution: Aga Khan University
Hypothesis
What is the prevalence of pulmonary tuberculosis among residents of peri-urban neighborhoods in Karachi, Pakistan?
Conclusion
The study found a higher prevalence of pulmonary tuberculosis in Karachi's peri-urban areas than previously estimated, highlighting the need for improved case detection methods.
Supporting Evidence
- The prevalence of pulmonary tuberculosis was found to be 329 per 100,000 among participants aged 15 years or more.
- Active case detection revealed a higher prevalence than the national estimate of 171 cases per 100,000.
- Only 18 cases of tuberculosis were identified among 114 subjects with a productive cough.
Takeaway
This study shows that many people in poor neighborhoods of Karachi have tuberculosis, and we need to find better ways to help them get treated.
Methodology
A cross-sectional study using systematic sampling to select households and collect sputum samples for tuberculosis testing.
Potential Biases
Potential sampling bias due to unequal representation of neighborhoods.
Limitations
The study may have missed some cases due to reliance on sputum sampling and the inability to achieve the desired sample size from one neighborhood.
Participant Demographics
Participants were primarily low-income residents aged 15 years or older, with a significant portion having no formal education.
Statistical Information
P-Value
0.001
Confidence Interval
95% CI: 195 – 519
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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