V
Glossary
- variable
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An individual piece of data collected within a domain. It represents a specific attribute or characteristic that can vary among subjects in a study. Each variable is defined by its format (such as categorical, continuous, and so on) and plays a crucial role in data analysis, allowing researchers to assess relationships and outcomes in the study.
For instance, within the "Demographics" domain, variables might include "Age," "Gender," and "Ethnicity."
- vendor
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A client’s partner company represented by an automated system that derives clinical data and sends it to, or receives it from the eClinical system.
- verbatim term
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In Pharmacovigilance, a common term used by the AE/SAE case reporter to describe the patient's condition, symptoms, and other details. In ICSR, the verbatim terms are coded (translated) into standardized preferred terms to meet the regulatory requirements.
- visit
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An occurrence in a clinical trial in which the subject comes to a site to receive treatment, undergo some tests, or complete other required procedures.
- visit window
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A time span that defines the allowable range for a subject visit in case it is not possible to conduct that visit on the exact scheduled visit date.