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  2. Autism Diagnostic Observation Schedule - Wikipedia

    en.wikipedia.org/wiki/Autism_Diagnostic...

    In particular, an increased false positive rate has been observed in adults with psychosis; [11] while case reports indicate that such false positives may also occur in cases of childhood-onset schizophrenia, which is an exceptionally rare entity with a frequency of 1 in 40000. [12]

  3. Autism Diagnostic Interview - Wikipedia

    en.wikipedia.org/wiki/Autism_Diagnostic_Interview

    The autism diagnostic observation schedule (ADOS), is a companion instrument by the same core authors. It is a semi-structured set of observations and is conducted in an office setting as a series of activities involving the referred individual and a psychologist or other trained and licensed examiner.

  4. Diagnostic odds ratio - Wikipedia

    en.wikipedia.org/wiki/Diagnostic_odds_ratio

    In medical testing with binary classification, the diagnostic odds ratio (DOR) is a measure of the effectiveness of a diagnostic test. [1] It is defined as the ratio of the odds of the test being positive if the subject has a disease relative to the odds of the test being positive if the subject does not have the disease.

  5. This blood test screens for 50 different types of cancer. Is ...

    www.aol.com/lifestyle/blood-test-screens-50...

    As with most blood tests, false-negatives can happen, meaning results could come back negative when a cancer does exist — although Grail reports that negative cancer test results from Galleri ...

  6. Likelihood ratios in diagnostic testing - Wikipedia

    en.wikipedia.org/wiki/Likelihood_ratios_in...

    In fact, post-test probability, as estimated from the likelihood ratio and pre-test probability, is generally more accurate than if estimated from the positive predictive value of the test, if the tested individual has a different pre-test probability than what is the prevalence of that condition in the population.

  7. Sensitivity and specificity - Wikipedia

    en.wikipedia.org/wiki/Sensitivity_and_specificity

    In medical diagnosis, test sensitivity is the ability of a test to correctly identify those with the disease (true positive rate), whereas test specificity is the ability of the test to correctly identify those without the disease (true negative rate). If 100 patients known to have a disease were tested, and 43 test positive, then the test has ...

  8. Positive and negative predictive values - Wikipedia

    en.wikipedia.org/wiki/Positive_and_negative...

    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.

  9. Colon cancer is rising in young adults: Should you start ...

    www.aol.com/news/more-young-people-being...

    Colorectal cancer rates in people under 55 are increasing and it's more advanced. Experts are unsure why, but think diet, exercise and environment play a role.