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Table 2 Laboratory and radiographic findings in patients with smear reversion.

From: Predicting results of mycobacterial culture on sputum smear reversion after anti-tuberculous treatment: a case control study

  Mtb group
(n = 22)
Non-Mtb group
(n = 52)
pvalue
Mycobacterial load at smear reversion    0.007
   High 3 (14%) 1 (2%)  
   Medium 8 (36%) 9 (17%)  
*Resistance of pre-treatment Mtb isolate    
   Any TB drug resistance 11 (50%) 9 (17%) 0.004
   Multidrug resistance 5 (23%) 1 (2%) 0.009
Finding of chest film    
   Bilateral involvement at initial 16 (73%) 33 (63%) 0.441
   Cavitary lesion at initial 7 (32%) 12 (23%) 0.431
   Not improved at smear reversion 19 (86%) 27 (52%) 0.005
Blood tests at reversion    
   Leukocyte (>11000 or <4000/μL) 6 (27%) 11 (21%) 0.555
   Hemoglobin (< 12 g/dL) 13 (63%) 19 (42%) 0.055
   Albumin (< 3.5 g/dL) 4 (36%) 7 (50%) 0.495
   Total Bilirubin (> 1.2 mg/dL) 2 (11%) 6 (16%) 0.614
   Creatinine (> 1.5 mg/dL) 3 (17%) 4 (9%) 0.358
  1. Abbreviation: Mtb, Mycobacterium tuberculosis; TB, tuberculosis
  2. Data are no. (%) or mean [no. of tested patients], unless otherwise indicated.
  3. *The details of resistance of pre-treatment isolate were described in additional file 1: Table S2.