operating characteristic curve


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operating characteristic curve

[′äp·ə‚rād·iŋ ‚kar·ik·tə′ris·tik ′kərv]
(statistics)
In hypothesis testing, a plot of the probability of accepting the hypothesis against the true state of nature. Abbreviated OC curve.
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Receiver operating characteristic curve analysis of neutrophil to lymphocyte ratio to predict lupus nephritis showed that area under the curve was 0.
Specifically, we compared FIT results with subsequent biopsy results to produce receiver operating characteristic curves for FIT and biopsy-proven neoplasias (colorectal carcinoma and colonic adenoma).
As a continuous predictor, platelet counts, international normalised ratio, activated partial thromboplastin time and plasma fibrinogen concentrations were also not useful in differentiating between acute PE and other pulmonary pathologies (areas under the receiver operating characteristic curve were all close to 0.
The predictive model based on these three factors had an area under the receiver operating characteristic curve of 0.
Their primary outcome measure was the area under the receiver operating characteristic curve (AuROC), a standard measure of accuracy.
Three of these approaches are simple extensions of the test characteristic curve (TCC), item characteristic curve (ICC), and operating characteristic curve (OCC) methods that have been previously developed for other binary item response models.
The area under the response operating characteristic curve was compared for the screen and the MMSE to determine the relative overall accuracy of each test.
The final model had a "mediocre" area under the receiver operating characteristic curve of 0.
For distinguishing between these groups, this panel had an area under a receiver operating characteristic curve of 0.
Discrimination (the ability of the model to distinguish between survivors and nonsurvivors) was examined by using the area under the receiver operating characteristic curve (AURoC) (22).
The receiver operating characteristic curve of a diagnostic test is a graph of the pairs of sensitivity and I minus specificity that correspond to each possible cutoff for the diagnostic test result.
trachomatis, as indicated by the receiver operating characteristic curve (area under the curve = 0.