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Table 1 Epidemiologic characteristics of exposed HCWs

From: Post-exposure rate of tuberculosis infection among health care workers measured with tuberculin skin test conversion after unprotected exposure to patients with pulmonary tuberculosis: 6-year experience in an Italian teaching hospital

  Total exposed HCWs HCWs TST neg in the past. Included in analysis HCWs TST pos in the past. Not included in analysis
Total n patients 388 255 122 + 11°
TST positive at hire (%) 122 (31) 0 122
Male/female 122/246 82/173 40/93
Age at hiring (years) 40 (32–47) 42 (34–48) 35 (30–42)
Time since hire (years) 10.5 (3.6-18.7) 8.7 (2.6-16) 15 (8.3-20.6)
Profession (%)    
Nurse 255 (65.7%) 158 (62) 97 (73)
Physician 120 (30.9%) 86 (33.7) 34 (25.6)
Other 13 (3.4%) 11 (4.3) 2 (1.5)
BCG in the past (%) 180 (46.4) 75 (41.7) 105 (58.3)
Ward of admission of cases (%)    
Medicine 175 (45.1) 125 (49) 50 (37.6)
Surgery 81 (20.9) 43 (16.9) 38 (28.6)
ICU 85 (21.9) 54 (21.2) 31 (23.3)
Radiology 20 (5.2) 13 (5.1) 7 (5.3)
Emergency 9 (2.3) 7 (2.8) 2 (1.5)
Other 18 (4.6) 13 (5.1) 5 (3.8)
  1. °HCWs who refused to participate in the screening program.