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Table 3 Temporal span of clusters with homeless persons with TB, Island of Montreal, 1996-2007

From: Tuberculosis and homelessness in Montreal: a retrospective cohort study

Genetic Cluster Median Duration between Consecutive
Cases, Years (IQR)
Duration between First and Last Case, Years
Cluster 1 (n = 12) 0.63 (0.20-1.1) 11
Cluster 2 (n = 6) 0.65 (0.35-0.94) 4.0
Cluster 3 (n = 2) 2.9 (-) 2.9
Cluster 4 (n = 6) 1.4 (0.42-2.6) 7.9
  1. IQR = Interquartile Range