IQR (inter-quartile range) – when using (median) average, the IQR gives an indication of the spread or range of results. Each quartile (1st, 2nd, 3rd and 4th) represents 25% of the results. The IQR represents the middle 50% of the results. See also range.
Glossary
Selected words and phrases
salvage therapy – a term for the combination therapy used after someone has developed resistance to three or more classes of HIV drugs. Also called ‘third-line’ or ‘rescue therapy’ or ‘treatment of patients with multidrug resistance’.
methadone – a man-made opiate that used to treat heroin addiction. See also buprenorphine.
seroconversion – the immune reaction when you develop antibodies to a new infection. HIV seroconversion usually starts a couple of week after infection. Because this is when viral load is very high (often millions of copies/mL), this is when symptoms occur.
About 70% people have HIV seroconversion symptoms. Some people become very ill and need immediate ART, and other have no symptoms.
fusion inhibitor – a type of HIV drug (an entry inhibitor). Fusion inhibitors stops HIV ‘fusing’ to a CD4 cell. T-20 (enfuvirtide, Fuzeon) is only currently licensed fusion inhibitor.