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

Explain cytological evidence, Q. Explain Cytological Evidence? Cytology...

Q. Explain Cytological Evidence? Cytology is the study of the morphology and physiology of cells. The information about the chromosome number, shape and pairing at meiosis is u

What are primary mediators, Primary mediators are those, which are produced...

Primary mediators are those, which are produced before degranulation. These primary mediators are stored in granules. Some of the primary mediators are histamine, heparin, protease

Formation of the amino acids sequences of a protein, Q. How do nucleotides ...

Q. How do nucleotides of mRNA chains encode information for the formation of the amino acids sequences of a protein? There are only four types of nitrogen- containing bases tha

Amphibian circulation be classified as incomplete and double, Q. Why can th...

Q. Why can the amphibian circulation be classified as incomplete and double? The amphibian circulation is double because it is composed of pulmonary and systemic circulations r

What are the major parts of ferns, Q. What are the major parts of ferns? ...

Q. What are the major parts of ferns? Ferns are constituted by small roots that come downwards from the rhizome stem and often horizontalized. The fronds also arise from the rh

Chiropterophily - cross-pollination, Chiropterophily - Cross-pollination ...

Chiropterophily - Cross-pollination Pollination brought about by bats is called cheiropterophily. Bats which feed at night and do not see very well, are frequent pollinators i

Ethidium bromide, Ethidium Bromide  intercalates within structure of the nu...

Ethidium Bromide  intercalates within structure of the nucleic acids in such a manner that they fluoresce under the UV light. Ethidium bromide staining is generally used to visuali

Coronal disassembly, Coronal disassembly - Coronal restoration in the ...

Coronal disassembly - Coronal restoration in the retreatment phase called coronal deassembling or disassemblying. - Coronal deassembling means removal of coronal and radi

Proteins, assignment on the topic proteins

assignment on the topic proteins

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