baseline

baseline /base·line/ (bās´līn) a value representing a normal background level or an initial level of a measurable quantity and used for comparison with values representing response to an environmental stimulus or intervention.

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Baseline

A return to an original state.

Mentioned in: Sedation

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baseline

[bās′līn]

Etymology: Gk, basis + L, linea

1 a known value or quantity with which an unknown is compared when measured or assessed (e.g., baseline vital signs).

2 the patient�s initial information at diagnosis or assessment against which later tests will be compared.

3 (in radiology) any of several basic anatomic planes or locations used for positioning purposes. They include the orbitomeatal, infraorbitomeatal, acanthomeatal, and glabellomeatal lines.

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baseline [bās´līn]

an observation or value that represents the normal or beginning level of a measurable quality, used for comparison with values representing response to experimental intervention or an environmental stimulus, usually implying that the baseline and reponse values refer to the same individual or system.

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baseline,

n the horizontal axis on a graph drawn by the pen recorder.

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baseline,

n a reference point used to indicate the initial condition against which future measurements are compared.

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baseline

a known value or quantity used to measure or assess an unknown, as a baseline urine sample.

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baseline data

a set of data collected at the beginning of a study or before intervention has occurred.