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Table 1 Characteristics of patients at baseline

From: Active contact tracing beyond the household in multidrug resistant tuberculosis in Vietnam: a cohort study

  n %
Total patients 99 100
Characteristic
 Age group
  0–14 years 0 0
  15–24 years 14 14
  25–34 years 15 15
  35–44 years 28 28
  45–54 years 23 23
  55–64 years 14 14
  65 year and above 5 5
  Median age 43  
  Mean age (sd) 42.3 (13.9)  
 Gender
  Male 77 78
  Female 22 22
 HIV (+) 4 4
 Sputum smear
  Negative 23 23
  Positive 76 77
 Grade among smear positivea
  Scanty 20 26
  1+ 33 43
  2+ 13 17
  3+ 10 13
 Chest X-ray
  Cavity 32 32
 Patient categoryb
  New 14 14
  Non-converters of first line drug for new cases 11 11
  Non-converters of first line drug for retreatment cases 1 1
  Previously treated cases 69 70
Others 4 4
  1. aBased on the International Union Against Tuberculosis and Lung Disease (IUATLD)-recommended grading of sputum smear microscopy results (n = 76)
  2. bRefer to Additional file 2 for definition of patient category