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Table 1 Characteristics of 455 contacts according with the presence of boosting

From: The presence of a booster phenomenon among contacts of active pulmonary tuberculosis cases: a retrospective cohort

 

Presence of boosting

Absence of boosting

P value

Gender (male/female)

9/19

151/276

0.8

Presence of BCG scar* (yes/no)

16/11

293/127

0.2

Age (mean ± SD)

42.3 ± 21.1

28.7 ± 21.7

0,001

  1. SD: standard deviation; * There was information about BCG vaccination in the chart of 447 contacts that underwent the second TST.