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Table 2 Comparisons of treatment-course related characteristics of study population at the end of therapy by new or previously treated status (n = 669)

From: Predictors of pulmonary tuberculosis treatment outcomes in South Korea: a prospective cohort study, 2005-2012

Variables (n)

New case

Previously treated case

P-value

Number of significant regimen change

   

 0

194 (86.6)

311 (69.9)

<0.001

 ≥1

30 (13.4)

134 (30.1)

 

Elevation of total bilirubin

   

 No

143 (63.8)

307 (69.0)

0.180

 Yes

81 (36.2)

138 (31.0)

 

Elevation of liver enzyme

   

 No

181 (80.8)

365 (82.0)

0.701

 Yes

43 (19.2)

80 (18.0)

 

Months to treatment completion, median (IQR)

9.45 (8.89-12.23)

14.97 (9.67-26.10)

<0.001†

Treatment outcome at EOT

   

 Cured

154 (68.8)

181 (40.7)

<0.001*

 Failure

4 (1.8)

61 (13.7)

 

 TI

35 (15.6)

87 (19.6)

 

 Unknown

15 (6.7)

50 (11.2)

 

 Death

6 (2.7)

44 (9.9)

 

 Withdrawal

10 (4.5)

22 (4.9)

 

Culture positivity (since enrollment)

   

 Converted prior to 6 months

145 (64.7)

245 (55.1)

0.001

 Positivity at 6 months, over

14 (6.2)

71 (16.0)

 

 Unknown 6 month result

65 (29.0)

129 (29.0)

 

 Months to TI, median (IQR)

7.98 (5.02-10.32)

9.67 (6.60-17.83)

0.013†

  1. *Tested by Fisher’s exact test.
  2. † Tested by Mann-Whitney test.
  3. AFB: Acid fast bacilli; IQR: Interquartile range; EOT: End of therapy; TI: Treatment interruption.