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Am J Trop Med Hyg. 2013 Nov;89(5):943-9. doi: 10.4269/ajtmh.13-0011. Epub 2013 Sep 9.

Weight gain and response to treatment for multidrug-resistant tuberculosis.

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  • 1Tropical Disease Foundation, Makati City, Philippines; Division of TB Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia; Tuberculosis Research Unit, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio.


Alternatives to culture are needed in high burden countries to assess whether response to treatment of multidrug-resistant-tuberculosis (MDR-TB) is satisfactory. The objective was to assess the association of weight gain and treatment outcome. The methods included analysis of clinical, bacteriologic, and weight from 439 MDR-TB patients in the Philippines. Odds ratios (ORs) were calculated to determine whether 5% weight gain during the first 6 months of treatment was associated with outcome. Three hundred and ten (71%) patients were cured and 129 (29%) had poor outcomes (death, defaulted, or failed treatment). Fifty-three percent were underweight (body mass index [BMI] < 18.5 kg/m(2)) before treatment. Five percent weight gain after completing 3 months of treatment was associated with good outcome among patients who were underweight before treatment (OR 2.1; 95% confidence interval [CI], 1.05 to 4.4). Baseline weight and degree of weight change during the first 6 months of treatment can help identify persons who are more likely to have poor outcomes and require other interventions.

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[Available on 2014/11/6]
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