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Prognostic factors for treatment success in patients with multidrug-resistant tuberculosis in China.
OBJECTIVE: To examine the clinical outcomes and associated prognostic factors among patients with multidrug-resistant tuberculosis (MDR-TB) in China.
METHODS: This retrospective study involved 243 patients with MDR-TB. All patients received standard regimens containing para-amino salicylic acid (PAS) and/or cycloserine (CS). The demographic, social and clinical characteristics of patients were recorded and the patients were followed up for 24 months.
RESULTS: Treatment success was closely associated with young age, non-farming occupations, shorter history or smoking, normal urine results, initial MDR-TB treatment regimen, increased haemoglobin, direct bilirubin, uric acid and thyroid stimulating hormone (TSH) levels, and lower white blood cell, neutrophil and blood platelet counts (all P < 0.05). On multivariable analysis, increased haemoglobin (hazard ratio [HR] 1.019, 95%CI 1.007-1.032, P = 0.002) and TSH levels (HR 1.002, 95%CI 1.006-1.039, P = 0.008), normal urine results (HR 1.541, 95%CI 1.008-2.358, P = 0.046) and initial MDR-TB treatment regimen (HR 2.238, 95%CI 1.090-4.597, P = 0.028) were prognostic factors for treatment success in MDR-TB.
CONCLUSIONS: Higher haemoglobin and TSH levels, normal urine results and initial MDR-TB treatment regimen might predict successful treatment of MDR-TB.
METHODS: This retrospective study involved 243 patients with MDR-TB. All patients received standard regimens containing para-amino salicylic acid (PAS) and/or cycloserine (CS). The demographic, social and clinical characteristics of patients were recorded and the patients were followed up for 24 months.
RESULTS: Treatment success was closely associated with young age, non-farming occupations, shorter history or smoking, normal urine results, initial MDR-TB treatment regimen, increased haemoglobin, direct bilirubin, uric acid and thyroid stimulating hormone (TSH) levels, and lower white blood cell, neutrophil and blood platelet counts (all P < 0.05). On multivariable analysis, increased haemoglobin (hazard ratio [HR] 1.019, 95%CI 1.007-1.032, P = 0.002) and TSH levels (HR 1.002, 95%CI 1.006-1.039, P = 0.008), normal urine results (HR 1.541, 95%CI 1.008-2.358, P = 0.046) and initial MDR-TB treatment regimen (HR 2.238, 95%CI 1.090-4.597, P = 0.028) were prognostic factors for treatment success in MDR-TB.
CONCLUSIONS: Higher haemoglobin and TSH levels, normal urine results and initial MDR-TB treatment regimen might predict successful treatment of MDR-TB.
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