Table 5

Summary of multipredictor models and ROC curves

PredictorModel
123456
Age++++++
Sex++++++
HIV status at baseline++++++
Cavitary disease at baseline+
Positive smear after 2 months of treatment+
Positive culture after 2 months of treatment+
Presence of both baseline cavitation and positive smear after 2 months of treatment+
Presence of both baseline cavitation and positive culture after 2 months of treatment+
Total observations (N)118610781138111610781056
Total relapse (n)676566656564
AUC0.660.660.670.680.680.69
95% CI*0.59 to 0.730.58 to 0.720.60 to 0.740.61 to 0.750.61 to 0.750.62 to 0.76
DeLong p value Reference 0.450.220.070.150.06

  • Variables included in the model are indicated by ‘+’.

  • *Bootstrap resampling (2000 resamples).

  • AUC, area under the ROC curve; ROC, receiver operating characteristic.