A health condition (or episodes of a health condition) that comes on quickly and is short-lived.
adverse effect
A harmful or abnormal effect, for example death or vomiting, that occurs during or after the use of a...
adverse event
A harmful or abnormal outcomeOutcomes are measures of health (for example quality of life, pain, blood sugar levels) that...
association
A relationship between two characteristics, such that as one changes, the other changes in a predictable way. For example,...
bias
Any factor, recognised or not, that distorts the findings of a studyAn investigation of a healthcare problem. There are...
Blinding
BlindingBlinding is the process of preventing those involved in a trial from knowing to which comparison group a particular...
Certainty of evidence
The certainty (or quality) of evidence is the extent to which we can be confident that what the research...
Chronic illness
A health condition marked by long duration, by frequent recurrence over a long time, and often by slowly progressing...
Clinical guideline
A systematically developed statement for practitioners and participants about appropriate health care for specific clinical circumstances.
Clinically significant
Clinical significance is the practical importance of an effect (e.g. a reduction in symptoms); whether it has a real...
co-morbidity
The presence of one or more diseases or conditions other than those of primary interest. In a study looking...
Cochrane evidence
Cochrane ReviewsCochrane Reviews are systematic reviews. In systematic reviews we search for and summarize studies that answer a specific...