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<p>Tuberculosis (TB) remains a major societal burden, yet data on long-term mortality following TB diagnosis and treatment are limited. We conducted a nationwide Brazilian cohort study using linked data (2004-2018) to quantify long-term mortality (up to 14 years) following TB. We matched: (i) individuals diagnosed with TB or (ii) individuals who had completed TB treatment to TB-free individuals. We used competing risk methods to analyze natural causes (that is, defined as deaths excluding TB, HIV and external causes) and cause-specific mortality. In the diagnosed cohort (185,921 pairs), the risk of 14-year natural cause mortality was significantly higher (risk ratio (RR) = 2.16, 95% confidence interval = 1.96-2.37); RRs were significantly elevated for deaths due to cancer, cardiovascular, endocrine, respiratory and external causes. The treated cohort (111,871 pairs) presented elevated natural cause mortality risk (RR = 1.77,1.55-2.03), with similarly increased RRs across specific causes. We showed that TB survivors, even after treatment, faced a significantly elevated, prolonged risk of death from various causes up to 14 years later. This finding highlights the need for long-term monitoring to reduce the burden of TB.</p>

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Long-term risk of death after tuberculosis diagnosis and treatment

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月19日

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  • Thiago Cerqueira-Silva,
  • Viviane Sampaio Boaventura,
  • Enny S. Paixão,
  • Mauro Sanchez,
  • Clémence Leyrat,
  • Otavio Ranzani,
  • Mauricio L. Barreto,
  • Julia M. Pescarini

摘要

Tuberculosis (TB) remains a major societal burden, yet data on long-term mortality following TB diagnosis and treatment are limited. We conducted a nationwide Brazilian cohort study using linked data (2004-2018) to quantify long-term mortality (up to 14 years) following TB. We matched: (i) individuals diagnosed with TB or (ii) individuals who had completed TB treatment to TB-free individuals. We used competing risk methods to analyze natural causes (that is, defined as deaths excluding TB, HIV and external causes) and cause-specific mortality. In the diagnosed cohort (185,921 pairs), the risk of 14-year natural cause mortality was significantly higher (risk ratio (RR) = 2.16, 95% confidence interval = 1.96-2.37); RRs were significantly elevated for deaths due to cancer, cardiovascular, endocrine, respiratory and external causes. The treated cohort (111,871 pairs) presented elevated natural cause mortality risk (RR = 1.77,1.55-2.03), with similarly increased RRs across specific causes. We showed that TB survivors, even after treatment, faced a significantly elevated, prolonged risk of death from various causes up to 14 years later. This finding highlights the need for long-term monitoring to reduce the burden of TB.