epidemiology, Biology

Assignment Help:
9. A simple and inexpensive screening method has been developed to identify individuals with HIV infection at routine medical check-ups. To study the sensitivity and specificity, the method was tested on 1860 persons who underwent a simultaneous and thorough clinical examination that was considered to give an accurate diagnosis.

The results were as follows:
The clinical test identified 1160 individuals as having the disease, whereas the screening method identified 480 as being positive for the disease. The screening method correctly identified 160 among those with clinical disease.

Calculate the sensitivity of the screening method and specificity of the screening method.

Related Discussions:- epidemiology

What hormone can be used to overcome jet lag?, Q. What hormone can be used ...

Q. What hormone can be used to overcome jet lag? Jet lag takes place when an individual's biological clock is out of sync with local time. According to general rule it takes ab

Mechanical removal of gutta percha-endodontics principles, Mechanical remov...

Mechanical removal of Gutta percha - use k file to create channel then removed by H file Remove gutta percha by rotary ( Gates Glidden = GG ) - use suitable size and remo

Choices of microscope and stain, Name TWO choices of microscope and stain (...

Name TWO choices of microscope and stain (if stain should be used) that you could use to view each of the following. For example, to view human cheek cells you could use (1) bright

What is the rule for the pairing of nitrogen-containing base, Q. What is th...

Q. What is the rule for the pairing of nitrogen-containing bases in the DNA molecule? And in the RNA? Is this the last question appropriate? The rule for the pairing of nitroge

Define term food colours, Normal 0 false false false EN...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Explain disorders of the gastrointestinal tract, Q. Explain Disorders of th...

Q. Explain Disorders of the gastrointestinal tract? The diseases and disorders of the gastrointestinal (GI) tract. Have you ever suffered from abnormal symptoms of the gastroin

Echinodermata - regeneration in invertebrates, Echinodermata - Regeneration...

Echinodermata - Regeneration in Invertebrates Asteroids (starfishes), ophiuroids (brittle stars) and crinoids (sea lilies) can reproduce their lost arms and although parts of

What causes acid precipitation, What causes acid precipitation? Acid pr...

What causes acid precipitation? Acid precipitation is the result of air pollutants that combine with water vapor in the atmosphereto form acids, causing precipitation that is m

Phosphorus - mineral elements, PHOSPHORUS It is present in vegetables, ...

PHOSPHORUS It is present in vegetables, grains (oat metal, wheat meal), milk, eggs, cheese, meat, fish, etc. It helps in - (a) Like calcium it is a constituent of bones.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd