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Table 3 Sensitivity and specificity of CXR (n = 239)

From: Retrospective review of the use and costs of routine chest x rays in a trauma setting

  Thoracic injury No thoracic injury
CXR (+) 11 (-) 47 (+) 15 (-) 166
TCT 58 181
  1. (+) indicates a positive study; (-) indicates a negative study.
  2. Sensitivity of CXR 19% (95% CI: 10.8% to 31%).
  3. Specificity of CXR 91.7% (95% CI: 86.7% to 95%).
  4. False positive rate 8.3% (95% CI: 5% to 13.31%).
  5. False negative rate 81% (95% CI: 69% to 89.2%).
  6. Precision of CXR 42.3% (95% CI: 25.5% to 61.1%).
  7. Accuracy of CXR 74.1% (95% CI: 68.1% to 79.2%).
  8. P-value 0.0299.
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Journal of Trauma Management & Outcomes

ISSN: 1752-2897

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