negative predictive value

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Related to negative predictive value: specificity, Negative Likelihood Ratio

neg·a·tive pre·dic·tive val·ue

n. valor pronóstico de un diagnóstico con resultado negativo.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Figure 1 shows that four quantitative characteristics [sensitivity (Se), specificity (Sp), positive predictive value (PPV), and negative predictive value (NPV)] are defined by two properties of the screening method (the false-positive rate, or, and the false-negative rate, [3) and by a property of the danger being assessed, the frequency of true hazards, P[H], where H is a true hazard.
The associated positive predictive values and negative predictive value of PyL imaging in these disease settings indicate its potential high clinical utility.
The test had a sensitivity of 0.976 and a negative predictive value of 0.996 for detection of intracranial injury.
After evaluating Alvarado score of [greater than or equal to] 7 with HPE reports the sensitivity, specificity, positive predictive value and negative predictive value were 97.4%, 79.3%, 92.7% and 92.0% respectively.
There were two primary endpoints; one to determine the sensitivity and specificity of CRP against blood culture and second was to determine the negative predictive value of CRP in determining the duration of anti-biotic in neonates presenting with sepsis.
The sensitivity for TBc ID was 94.6% and specificity was 100% with Positive Predictive Value and Negative Predictive Value of 98.9% and 81.8% respectively.
A two by two table was used to determine the sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of MASS.
A threshold of greater than or equal to 3 days with alcohol use in the past year yielded "optimal psychometric performance" for early and middle adolescence: sensitivity of 91%; specificity of 93%; positive predictive value of 44%; and negative predictive value of 99%.
There were 63 cases with D-dimer <500 ng/ml in the elderly patients, 59 cases of whom were ruled out PE by CTPA, thus the negative predictive value was 93.7%; while there were 45 cases of D-dimer <500 ng/ml in the nonelderly patients, 42 cases of whom were finally ruled out by CTPA, with the negative predictive value of 93.3% [Table 3].
It had a sensitivity of 96%, specificity of 98.8%, accuracy of 97%, positive predictive value of 97.9%, and negative predictive value of 96%.
The name of the game in thyroid nodule assessment is having a sufficiently high negative predictive value from your tests and evaluation to tell the patients they don't need an operation.
The strong negative predictive value shows that people who said they hadn't been down-hearted or depressed were highly unlikely to have depression or to be underreporting their negative feelings.
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