Pancreatitis is a disease caused by inflammation of the pancreas. The pancreas is a small fleshy organ located between the stomach and small intestine. The pancreas has many functions related to digestion and the regulation of blood sugar levels. Pancreatitis is a disease caused by inflammation of the pancreas..
causes as censoring events, the concept of relative survival was developed by comparing the observed survival probability of a group of cancer patients with the survival of a âsimilarâ cancer-free group. Relative survival is defined as the ratio of the observed survival (all cause survival) of a cohort of cancer patients to the expected survival of a comparable set of cancer free individuals.
DEFINITION of 'Survival Analysis'. A branch of statistics which studies the amount of time that it takes before a particular events, such as death, occurs. However, the same techniques can be used to study the time until any event. While a time-to-event study is theoretically simple to undertake, in practice there are a number of problems if the event being studied is relatively rare or takes a long time to occur.