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Good Positive and Negative Likelihood Ratios

Good Positive Likelihood Ratio

Pleural Effusion: Likelihood Ratios

Introduction: None written.

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Tags: Pulmonary Tag this Diagnosis.

The likelihood ratios of findings for Pleural Effusion are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding +LR-LR Comments, Study
Auscultatory dullness to percussion Edit inf0.1

This involves percussing (tapping) the along patient's back while listening on the ipsilateral side with the stethoscope below the diaphragm. See the study for more details.

Other techniques have yielded lower sensitivities, down to 19%.

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html

Ultrasound Edit 15.60.1

thoracic ultrasound

Study: J Am Coll Cardiol. 2000 May;35(6):1638-46 PMID: 10807471

Absent breath sounds Edit 8.80.1

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html

Dullness to percussion Edit 3.10.2

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html

Asymmetric tactile fremitus Edit 5.90.2

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html

Asymmetric lung expansion Edit 8.20.3

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html

Good Positive Likelihood Ratio

Finding +LR-LR Comments, Study
Chest X-Ray Edit inf0.6

NOTE: Sensitivity for the right hemithorax was ~50% while on the left it was ~25%!

Study: J Am Coll Cardiol. 2000 May;35(6):1638-46 PMID: 10807471

Pleural Rub Edit 51

Study: Cleveland Clinic Journal of Medicine April 2008 vol. 75 no. 4 297-303

http://www.ccjm.org/content/75/4/297.full.pdf+html