Prognosis

11 important questions on Prognosis

What is a prognosis?

The prediction of the course of disease following its onset

What are prognostic factors?

Patient characteristics that are associated with an outcome of the disease

What are differences between risk factors and prognostic factors?

Risk factors deals with healthy, prognostic with sick people
Different outcomes
The rates are different, where prognosis describes relative frequent events
Different factors
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What is the clinical course?

Describes the prognosis of a disease that has come under medical care and has been treated in ways that affects the course of events

What is the natural history?

Prognosis of a disease without medical intervention

What is the zero time?

Common point in time in the course of a disease in cohorts in prognostic studies

When is a patient censored?

When that patient is lost from the study. Are not counted in the denominator from point forward.

What is the difference between a case serie and case report?

Case serie - description of cours eof disease in small number of cases(few dozen)
Case report - less than ten patients

What is prognostic stratification?

Seperating the patients into groups with different prognosis

What is a sampling bias?

When patients in a study are not like other patients with the condition

What is a migration bias?

Some patients drop out of the study during follow-up and they are systematically different from those who remain

The question on the page originate from the summary of the following study material:

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