Recommendation on unbiased estimation of population attributable fraction calculated in “prevalence and risk factors of active pulmonary tuberculosis among elderly people in China: a population based cross-sectional study”

AbstractPopulation attributable fraction (PAF) refers to the proportion of all cases with a particular outcome in a population that could be prevented by eliminating a specific exposure. The authors of a recent paper evaluated the prevalence and estimated the PAFs for risk factors of TB among elderly people in China [Inf Dis Poverty. 2019;8:7]. Confounding is inevitable in observational studies and Levin ’s formula is of limited use in practice for unbiasedly estimating PAF. In a complex survey design, an unbiased estimation of the PAF can be calculated using a sample-weighted version of the Miettinen formula or a sample weighed parametric g-formula. With respect to causal interpretation of PAF in public health setting, computation of PAF is logical and practical when the exposure is amenable to intervention.
Source: Infectious Diseases of Poverty - Category: Infectious Diseases Source Type: research

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Source: The Pediatric Infectious Disease Journal - Category: Infectious Diseases Tags: Antimicrobial Reports Source Type: research
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Source: The Pediatric Infectious Disease Journal - Category: Infectious Diseases Tags: Antimicrobial Reports Source Type: research
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