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Table 3 Epidemiological characteristics of the 32 subjects with clustered infectiona

From: Using genotyping to delineate tuberculosis transmission in long-term care facilities: single facility 4-year experience

Cluster Person CXR Sputum No Time Place of contact
   Cavity (+) Smear (+)   (days) Ward Section
Overall 2nd subjects - - 27 673 (812) 14 (43.8%) 22 (68.7%)
1 Indexsubject Yes Yes     
2nd subjects    22 499 (786) 10 (45.5%) 17 (77.3%)
2 Indexsubject No Yes     
2nd subject    1 848 1 (100%) 1 (100%)
3 Indexsubject Yes Yes     
2nd subjects    2 1511 (329) 2 (100%) 2 (100%)
4 Indexsubject No Yes     
2nd subject    1 217 0 (0%) 1 (100%)
5 Indexsubject No Yes     
2nd subject    1 107 1 (100%) 1 (100%)
  1. aData represent N (%) and median (interquartile range)