Is Scale-Up Worth It? Challenges in Economic Analysis of Diagnostic Tests for Tuberculosis
2011

Challenges in Economic Analysis of Diagnostic Tests for Tuberculosis

publication Evidence: moderate

Author Information

Author(s): David W. Dowdy, Adithya Cattamanchi, Karen R. Steingart, Madhukar Pai

Primary Institution: University of California, San Francisco

Hypothesis

Standard cost-effectiveness analyses may give misleading results when applied blindly to the scale-up of TB diagnostics.

Conclusion

To improve TB health outcomes, economic analyses should consider local conditions and the valuation of false-positive tests.

Supporting Evidence

  • Standard cost-effectiveness analyses may give misleading results when applied blindly to the scale-up of TB diagnostics.
  • Challenges in economic analysis of TB diagnostic tests include underestimating the cost of false-positive diagnoses.
  • Flexible analytic tools are needed for decision-makers to adapt large-sample cost-effectiveness data to local conditions.

Takeaway

This study says that just looking at costs and benefits of TB tests isn't enough; we need to think about how these tests work in real life and what people really want.

Methodology

The study discusses decision analysis as a methodology for evaluating health interventions' cost-effectiveness.

Potential Biases

Bias may arise from relying on controlled studies to estimate diagnostic accuracy in field settings.

Limitations

Standard economic analyses may underestimate the costs of false-positive diagnoses and overlook operational impacts.

Digital Object Identifier (DOI)

10.1371/journal.pmed.1001063

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