Table 4

Association of DM with selected clinical manifestations and treatment outcomes among patients with pulmonary TB by multivariate analyses

VariableCavities on chest x-ray
OR† (95% CI)
n=1051
Sputum conversion ≥60 days
OR† (95% CI)
n=639
Treatment failure
OR† (95% CI)
n=756‡
Recurrence HR§ (95% CI)
n=842
Relapse HR§ (95% CI)
n=731
Diabetes1.80 (1.35 to 2.41)*1.51 (1.09 to 2.10)***2.93 (1.18 to 7.23)***1.76 (1.11 to 2.79)***1.83 (1.04 to 3.23)***
Men2.9 (1.02 to 8.24)***
>10 cigarettes per week2.86 (1.42 to 5.75)**
Previous TB treatment5.1 (2.00 to 13.00)**
Time elapsed between onset of symptoms and treatment1.01 (1.01 to 1.01)***
>10 bacilli per oil immersion field2.11 (1.57 to 2.84)**2.00 (1.09 to 3.64)***
Joint resistance to isoniazid and rifampin5.80 (1.63 to 29.71)**37.46 (12.21 to 114.85)*8.41(4.57 to 15.46)*12.85 (4.91 to 33.58)*
Failure or default4.83 (2.79 to 8.35)*
HIV infection0.32 (0.09 to 1.12)¶4.23 (1.03 to 17.42)***
Body mass index0.95 (0.92 to 0.98)**
  • *p<0.001; **p<0.01; ***p<0.05.

  • †Unconditional logistic regression model.

  • ‡Patients who failed were compared with patients who cured or completed treatment - variable not included in the final model.

  • §Cox proportional hazards model.

  • ¶Not significant

  • DM, diabetes mellitus; TB, tuberculosis.