Table 3

 Results of multivariate analysis of risk factors for default, retreatment, and death from TB among bacteriologically confirmed pulmonary TB patients, Orizaba Veracruz, 1995–2003

CharacteristicDefaultRetreatmentDeath from TB
OR* (95% CI)p valueHR† (95% CI)p valueHR† (95% CI)p value
OR, odds ratio; HR, hazards ratio; MDR, multidrug resistant; TB, tuberculosis; –, variable not included in the final model.
*Logistic regression analysis.
†Cox proportional hazard model.
Men3.30 (1.46 to 7.43)0.0043.15 (1.38 to 7.22)0.0072.23 (1.25 to 3.99)0.007
Age (years)1.04 (1.02 to 1.05)<0.001
No formal education3.85 (1.85 to 8.33)<0.001
No social security4.54 (1.64 to 12.5)0.003
Body mass index2.28 (1.38 to 3.79)0.001
Weight loss2.40 (1.02 to 5.63)0.04
Diabetes1.83 (0.94 to 3.54)0.073
HIV infection24.30 (9.0 to 65.6)<0.001
MDR TB4.96 (1.99 to 12.36)0.0012.84 (1.25 to 6.40)0.01
Other resistance1.33 (0.57 to 3.10)0.520.7 (0.34 to 1.43)0.3
Cavities in chest radiograph3.70 (1.81 to 7.58)<0.001
Time interval between diagnosis and treatment (months)1.02 (1.01 to 1.04)<0.001
Treatment default5.21 (3.06 to 8.87)<0.001