Baseline demographic and clinical data of the study participants.

TST: Tuberculin Skin Test, QFT: QuantiFERON-TB Gold In-Tube, MTC-score: Mycobacterium tuberculosis contact score, BCG: Bacillus Calmette-Guérin.#Categorical variables expressed as number of subjects (n) and percentage (%) compared to those evaluated with the characteristic studied. Quantitative variables expressed as mean and interquartile range (IQR).aIn the 12 weeks prior to the study.bRisk of malnutrition was defined as a Z score for weight less than −1 SDs for age and gender; malnutrition was defined −2 SDs for age and gender.