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Table 1 Demographic data and vaccination status of 413 HCWs evaluated at least once during the period of the study.

From: Humoral response to HspX and GlcB to previous and recent infection by Mycobacterium tuberculosis

  Uninfected (n = 159) Previous LTBI (n = 211) Recent LTBI (n = 43)
Female/male 137/22 171/40 37/6
Age – range 18–62 18–68 18–62
   mean (SD) 39.78 (± 10.3) 41.82 (± 10.2) 39.91 (± 10.8)
Previous BCG 100 (62.9%) 163 (77.3%) 30 (59.8%)
   old application 92 (92%) 149 (91.4%) 29 (96.6%)
   recent application* 8 (8%) 14 (8.6%) 1 (3.4%)
  1. SD = standard deviation; BCG = Bacilli Calmette-Guérin; LTBI = latent tuberculosis infection;
  2. *Vaccination in the last five years