log value – a number expressed as a factor of 10 – ie 2 logs = 10 x 10=100; 3 logs = 10 x 10 x 10=1000. This measurement is used when needing to include very large and very small numbers on the same scale. A reduction by one log is a 90% reduction. A reduction by two logs is a 99% reduction etc.
Glossary
Selected words and phrases
secondary mutation – see minor mutation.
sarcoma – medical term for cancer that affects bone, cartilage, fat, muscle, blood vessels, skin or other connective tissue.
Hodgkins disease (HD) – a type of lymphoma (lymph cancer).
quantitative (in a study) – where what is being measured has a numerical value or fits a pre-defined scale or range of responses.