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ClinicalThe value for sensitivity shows that post void residual volume measurement has little value in detecting true positive cases of obstruction since elevation of PVR may reflect poor detrusor function as much as obstruction.

The likelihood ratio for a positive test is just above 1 suggesting that post void residual volume measurement has little value in detecting true positive cases of obstruction compared to the suggested standard of 10 for a test with good discriminatory power.

The likelihood ratio for a negative test is below 1 suggesting that the post void residual volume measurement has little value in detecting true negative cases of no obstruction compared to the suggested standard of 0.1 for a test with good discriminatory power.
EconomicNo economic studies were identified.

From: 4, Diagnosis

Cover of The Management of Lower Urinary Tract Symptoms in Men
The Management of Lower Urinary Tract Symptoms in Men [Internet].
NICE Clinical Guidelines, No. 97.
National Clinical Guideline Centre (UK).
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