Receiver-operator characteristic

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Robert G. Badgett, M.D.[1]

In statistics, Receiver-operator characteristic is defined as "A graphic means for assessing the ability of a screening test to discriminate between healthy and diseased persons; may also be used in other studies, e.g., distinguishing stimuli responses as to a faint stimuli or nonstimuli."

Interpretation

One interpretation is:

• Greater than 0.9 has high accuracy
• 0.7–0.9 indicates moderate accuracy
• 0.5–0.7, low accuracy
• 0.5 a chance result

One interpretation is:

• more than 0.9 is considered outstanding
• 0.8 to 0.9 is considered excellent
• 0.7 to 0.8 is considered acceptable
• 0.5 suggests no discrimination

See also

Type I and type II errors