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What are the chances of a false positive?
Is a false positive worse than a false negative?
Is it possible to have a false negative?
1 day ago · Given the higher false-positive rate in patients with a low pretest probability of AF, future studies need to determine the patients most likely to benefit from ambulatory monitoring. Further, it is unknown whether increased AF detection on consumer-grade heart rhythm monitoring increases appropriate anticoagulation prescription or lowers ...
1 day ago · This probability is known as statistical power, and it's influenced by the effect size you're looking for, the significance level you set (usually a 5% chance of a false positive), and the ...
2 days ago · known to give an increased, uncontrolled false positive rate. Finally, some researchers still translate p>5% into a proof of a negative finding, resulting in the publication of false negative results. The criticism against the conventional use of p-values is sounding louder and louder these days.
2 days ago · The commercially available herpes IgG test, however, has up to a 19% probability of false-positive results, particularly with a low positive number (less than 4). Notably, the Washington University HSV test, often cited as the gold standard blood test, claims almost zero false-positive likelihood.
14 hours ago · The low p-value indicated the low probability of a false positive result, underscoring the technique’s high accuracy. Detailed findings of analyzing the data are summarized in Table 2 .
4 days ago · where P test case) $$ P\left( test\ \right| case\Big) $$ is the probability that someone is tested in that setting given that they are a case; p d $$ {p}_d $$ is the probability that testing occurs while virus is still detectable; t sn $$ {t}_{sn} $$ is the test sensitivity; and p f $$ {p}_f $$ is the probability a positive test is forwarded to a public health laboratory for further testing.
3 days ago · However, depending on the patient's risk factors and clinical presentation, the pre-test probability of each target on the panel varies, which may affect positive predictive value [3]. Norovirus, a non-enveloped RNA virus, is often included in molecular panels as a common cause of viral gastroenteritis [ 4 ].
