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Table 1 Clinical characteristics of 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
Age ≥ 65 years 9 (41%) 24 (46%) 0.678
Male gender 16 (73%) 43 (83%) 0.330
*Underlying co-morbid condition 10 (48%) 30 (57%) 0.334
Timing of smear reversion after treatment    
   Median (range): days 68 (16 ~ 647) 135 (43 ~ 760) 0.240
   Within 2 months 9 (41%) 5 (10%) 0.002
   Before sputum culture conversion 17 (77%) 11 (20%) < 0.001
*Symptoms not improved at smear reversion 13 (59%) 15 (29%) 0.014
Regimen modification before smear reversion 13 (59%) 19 (37%) 0.073
Receiving direct observed therapy 9 (41%) 41 (79%) 0.002
Mortality at the end of follow-up 7 (32%) 8 (15%) 0.118
Median survival: months 12.8 11.1 0.178
Treatment failure 6 (27%) 5 (10%) 0.051
  1. Data are no. (%), unless otherwise indicated.
  2. *The detail of underlying co-morbid condition and symptoms were described in additional file 1: Table S1.
  3. p value was calculated by the Kaplan-Meier method.