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. Author manuscript; available in PMC: 2017 May 31.
Published in final edited form as: Travel Med Infect Dis. 2013 Nov 8;12(1):63–71. doi: 10.1016/j.tmaid.2013.10.016

Table 2.

Estimated number of passenger contacts with latent tuberculosis infection (LTBI) and cases of active tuberculosis (TB) for a cohort of 7924 passenger contacts, based on risk of acquiring LTBI and risk of progression to TB disease.

Latent tuberculosis infection (LTBI) risk 2008 CDC low 1.1% Modified low 1.4% Modified high 19% 2008 CDC high 24%
Estimated number of passenger contacts with LTBI, based on risk of acquiring LTBI 87 111 1506 1902
Estimated number of active TB cases, based on risk of progressing to TB disease
 TB disease risk = 5.25% 4.6 5.8 79.2 99.6
 TB disease risk = 7.35% 6.4 8.4 110.7 139.8
 TB disease risk = 10.25% 8.9 12.2 154.4 195.0