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

Pulmonary valvotomy cardio bypass and use cardioplegia, Pulmonary Valvo...

Pulmonary Valvotomy on Cardio Pulmonary Bypass and use of Cardioplegia :  Single aortic cannulation and separate SVC and IVC cannulation arc done. The cavae are snared to

What is counsellor, Q. What is Counsellor? Counsellor is someone who gi...

Q. What is Counsellor? Counsellor is someone who gives advice about the problem. A counselor's role is to help patients help themselves. In our context  a counsellor is  a comm

What is polyembryony, Q. What is polyembryony? Polyembryony is the phen...

Q. What is polyembryony? Polyembryony is the phenomenon in which a single embryo in its initial embryonic stage divides itself forming many new individuals of genetically ident

Cockroach heart, How last chamber of heart in cockroach receives blood with...

How last chamber of heart in cockroach receives blood without having ostia?

Disaster, The Word 'disaster' is believed to be originating from the French...

The Word 'disaster' is believed to be originating from the French word 'Disastre' which is a combination of two words 'des' meaning bad and 'astre' meaning star. Thus this term ref

Fungal enzymes, Hello, I''m doing a...

Hello, I''m doing an assignment on characteristics and types of fungal enzymes and have also been requested to describe their assay.My libra

What is stenotic and regurgitant lesions, Q. What is Stenotic and regurgita...

Q. What is Stenotic and regurgitant lesions? The normal cardiac valves offer little resistance to blood flow even when flow velocity is high. When stenosis develops, the valve

Amniocentesis, Amniocentesis is a way of prenatal testing in which the amn...

Amniocentesis is a way of prenatal testing in which the amniotic fluid is withdrawn from the uterus by the help of a needle. The fluid and the fetal cells it contains are analyzed

Explain degradation of carbohydrates, Q. Explain Degradation of Carbohydrat...

Q. Explain Degradation of Carbohydrates? Ans. The carbohydrates that are naturally present in foods, you may already know, can be divided into monosaccharides, disaccharid

Non-rapid-eye-movement sleep, Stage 1 sleep: As an individual becomes drows...

Stage 1 sleep: As an individual becomes drowsy, and enters stage 1, alpha wave decreases and theta waves appear. Theta waves with a frequency of about 6 to 8 cycles per second are

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