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Volume 8, Number 4—April 2002

Research

Sampling Bias in the Molecular Epidemiology of Tuberculosis

Megan MurrayComments to Author 
Author affiliation: Harvard School of Public Health, Boston, Massachusetts, USA

Main Article

Table 1

Model-based output statistics from a microsimulation of tuberculosis transmission

Output statistics High burden Moderate burden Low burden
Sudan NY prison Algeria US prison Netherlands
Tuberculosis incidencea 190 581 32 82 14
Consensus incidence estimates 200 NAb 44 NAb 10
ARIc 0.025 0.046 0.003 0.005 0.001
Maximum cluster size 87 19 9 17 15
Mean cluster size 10.2 3.2 1.7 2.9 1.7
Proportion of unique isolates 0.181 0.253 0.432 0.289 0.490

aIncidence per 100,000. Consensus incidence estimates are shown for comparison with estimates obtained from the model.
bNo data available.
cARI = Annual risk of infection.

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