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Table 1 Basic demographic characteristics of 52 patients with end-stage renal disease from a haemodialysis unit, all contacts of a healthcare worker who had active pulmonary tuberculosis while working at the dialysis centre

From: Value of the tuberculin skin testing and of an interferon-gamma release assay in haemodialysis patients after exposure to M. tuberculosis

CHARACTERISTICS STUDY GROUP
Age in years, mean ± SD (range) 62 ± 16.8 (24 to 89)
Male gender, n (%) 31 (59.6)
BCG vaccination, yes, n (%) 7 (13.5)
BMI, mean ± SD 27.1 ± 5.0
Hemoglobin (mg/dL), mean ± SD 11.5 ± 1.4
Albumin level (mg/dL) mean ± SD 2.8 ± 0.4
Diabetes mellitus, yes, n (%) 8 (15.4)
Exposure to index case (weeks, %)  
17 week 46 (88.5)
< 17 weeks 6 (11.5)
Radiographic evidence of healed TB, n (%) 5 (9.6)
  1. BMI: Body mass index.
  2. Infectiousness of the Index Case was estimated for 17 weeks before last exposure.