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The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.
The Papanicolaou test (abbreviated as Pap test, also known as Pap smear (AE), [1] cervical smear (BE), cervical screening (BE), [2] or smear test (BE)) is a method of cervical screening used to detect potentially precancerous and cancerous processes in the cervix (opening of the uterus or womb) or, more rarely, anus (in both men and women). [3]
Cervicography is no more sensitive than Pap smear screening, and has a higher false positive rate (thus increasing the number of colposcopies needed). [3] [4] Whether cervicography could have a role in countries where Pap smear screening programs are not in place depends on cost effectiveness and remained to be determined as of 1998. [4]
The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.
The false positive rate is calculated as the ratio between the number of negative events wrongly categorized as positive (false positives) and the total number of actual negative events (regardless of classification). The false positive rate (or "false alarm rate") usually refers to the expectancy of the false positive ratio.
In a pap smear, a gynecologist uses a speculum to open the walls of the vagina, and then uses an instrument to collect cells from the cervix. ... And “when asked to rate the discomfort, distress ...
According to Dr. Harrison, “Women should stop having cervical cancer screening after age 65 if they do not have a history of abnormal cervical cells or cervical cancer, and they have had either ...
One consequence of the high false positive rate in the US is that, in any 10-year period, half of the American women screened receive a false positive mammogram. False positive mammograms are costly, with over $100 million spent annually in the U.S. on follow-up testing and treatment. They also cause women unneeded anxiety.