receiver operating characteristic curve


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Related to receiver operating characteristic curve: True positive

re·ceiv·er op·er·at·ing char·ac·ter·is·tic curve

1. a plot of percentage of true positive results versus percentage of false positive results, usually in a trial of a diagnostic test.
2. a graphic means of assessing the ability of a screening test to discriminate between healthy and diseased people.
Synonym(s): ROC curve

receiver operating characteristic (ROC) curve

a curve that plots the true-positive fraction versus false-positive fraction; one use is to evaluate imaging performance.

ROC curve

Receiver operating characteristic curve. A graphic depiction of the relationship between the true positive ratio (sensitivity) and false positive ratio (1) specificity as a function of the cut-off level of a disease or condition marker.

receiver operating characteristic curve

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83), but not platelet counts, INR or aPTT (areas under the receiver operating characteristic curve all close to 0.
TABLE 3 Area under the receiver operating characteristic curve of C-reactive protein, eosinophil, neutrophil and total white cell count as a marker of bacteraemia by univariable analysis for adult (>18 years old) and paediatric patients (0 to 18 years old) Variable AUROC curve P value (95% CI) Adult patients White cell count 0.
Variability of the area under the receiver operating characteristic curves in the diagnostic evaluation of liver fibrosis markers: impact of biopsy length and fragmentation.
The area under the receiver operating characteristic curves for each of the three screening questions using REALM scores as the reference standard was 0.
Receiver operating characteristic curves and areas under the curves were similar for the simplified rules (0.
A distribution-free procedure for comparing receiver operating characteristic curves from a paired experiment.
A computer program for rapid generation of receiver operating characteristic curves and likelihood ratios in the evaluation of diagnostic tests.

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