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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.