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Table 3 Outcomes of retreatment cases by WHO retreatment category

From: Tuberculosis retreatment ‘others’ in comparison with classical retreatment cases; a retrospective cohort review

Type of retreatment Treatment outcome Adverse outcomes
Successful Adverse Failure Died LTFU Transfer-out Not -evaluated
n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Smear-positive relapse: n = 196 134 (68.4) 62 (31.6) 9 (4.6) 9 (4.6) 23 (11.7) 7 (3.6) 14 (7.0)
Smear-positive return after failure: n = 44 30 (68.2) 14 (31.8) 4 (9.1) 3 (6.9) 5 (11.4) 0 (0.0) 2 (4.5)
Smear-positive return after LTFU: n = 158 79 (50) 79 (50.0) 3 (1.9) 19 (12) 26 (16.4) 12 (7.6) 19 (12.0)
Retreatment ‘others’: n = 332 167 (50.3) 165 (49.7) 3 (0.9) 41 (12.3) 66 (19.9) 18 (5.4) 37 (11.0)
Total; n = 730 410 (56.2) 320 (43.8) 19 (2.6) 72 (9.9) 120 (16.4) 37 (5) 72 (9.9)
  1. P < 0.001 for the difference between the type of retreatment and treatment outcome using Pearson’s chi-squared test