To follow is a sample of a raw XBRL data instance. It precisely describes key financial information, including that Rock Gravel Corporation is reporting a numerical content for the calendar year 2000 in Hong Kong dollars (HKD) with a precision of up to four digits.
1 Disease Free Survival (DFS): This is usually used to analyze results of treatment for localized disease which renders the patient apparently disease free, such as surgery or surgery plus adjuvant therapy. 2  In disease free survival, the event is relapse rather than death.
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.