Glossary

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Term Definition
PPV

Positive predictive value: the probability that a person with a positive test result actually has the disease 

Predictive values

The predictive value of a test is a measure of the times that the value (positive or negative) is the true value. That is, the probability that a person has the disease being tested for. 

proviral DNA

Presence of proviral DNA indicates HIV has integrated into the host-cell genome

QA

Quality assurance – the series of methods used to assure the overall integrity of tests 

Qualitative Result

A result that detects the presence of an agent or substance without measuring the level or quantity of that agent or substance 

Quantitative Result

A result that detects the presence of an agent and by comparison with quantitative standards, gives the level or amount of the agent 

RACGP

Royal Australian College of General Practitioners

RANZCOG

Royal Australian & New Zealand College of Obstetricians & Gynecologists

Reference testing

Testing conducted to clarify the nature of samples’ reactivity or status following initial tests conducted with standard tests in the same or another laboratory

RNA

Ribonucleic acid

Sensitivity

The probability that a person with the disease will have a positive test result

Serology

The testing for the presence, evidence of, or quantity of antibodies specific for infectious or other agents, biochemistry, or substances in blood (serum or plasma or whole blood) 

Serostatus

The condition of having or not having detectable antibodies to a disease in the blood as a result of infection. Serostatus is either positive or negative. 

Specificity

The probability that a person without the disease will have a negative test result

STI

Sexually transmissible infection

 

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