baseline

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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.

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.

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�¢ï¿½ï¿½s initial information at diagnosis or assessment against which later tests will be compared.
3 (in radiology) any of several basic anatomical planes or locations used for positioning purposes. They include the orbitomeatal, infraorbitomeatal, acanthomeatal, and glabellomeatal lines.

baseline

Clinical trials
The health state—disease severity, confounding conditions, etc.—present in a person or group of individuals at the beginning of a prospective study.
 
The baseline is time “zero”, before the participants in the study receive an experimental agent or intervention, or negative control; drug safety and efficacy may be determined by monitoring changes in baseline values; variations in distributions of baseline values between groups may introduce bias in the results.
 
Informatics
A measure of cumulative citation frequency across all Derwent Section classes, which shows upward and downward trends in a particular patent family.

Sleep disorders
The normative (i.e., typical) state of a person or of an investigative parameter before an experimental manipulation.
 
Vox populi
A generic term for any basal, null or unstimulated state, often represented as a horizontal line.

base·line

(bās'līn)
1. A line approximating the base of the skull, passing from the infraorbital ridge to the midline of the occiput, intersecting the superior margin of the external auditory meatus; the skull is in the anatomic position when the baseline lies in the horizontal plane.
Synonym(s): orbitomeatal line.
2. Level of performance or aggregate findings before initiation of therapy.

Baseline

A return to an original state.
Mentioned in: Sedation

baseline,

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

base·line

(bās'līn)
1. A line approximating the base of the skull, passing from the infraorbital ridge to the midline of the occiput, intersecting the superior margin of the external auditory meatus.
2. Level of performance or aggregate findings before therapy.
Synonym(s): orbitomeatal line.

baseline,

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

baseline

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

baseline data
a set of data collected at the beginning of a study or before intervention has occurred.
References in periodicals archive ?
Recommendation: To strengthen its baselines, facilitate external and independent reviews of those baselines, ensure effective oversight of the BMDS, and further improve transparency and accountability of its efforts, and to improve clarity, consistency, and completeness of the baselines reported to Congress, the Secretary of Defense should ensure that MDA, for schedule baselines, in meeting new statutory requirements to report on an acquisition baseline including a comprehensive schedule, include a comprehensive list of actual versus planned quantities of assets that are or were to be delivered each fiscal year.
Recommendation: In order to stabilize the test plan and ensure the test baseline can absorb test failures and test delays and remains executable, the Secretary of Defense should ensure that the Missile Defense Agency includes sufficient schedule and resource margin, including spare test assets and targets, based on recent test experience and forecasted testing demands.
1 ECB or Appendix G baselines to compare energy efficiency strategies for a project can result in an unrealistic analysis, showing efficiency strategies to be more or less cost-effective than they may be.
We recommend defining alternative baselines for calculating energy cost savings and payback periods for energy efficiency strategies.
The key issue is that these activities may or may not provide a significant boost in volume; moreover, many suppliers and retailers have not developed tools for tracking baseline volume.
The flat portions of the 1991 and 1992 planning year baselines for FY 1992 and FY 1993, respectively, represent the effect of the 1990 BEA negotiated by then OMB director Darman.
TrueBaseline is a technology leader of SOA ecosystem solutions, bringing order to the complexity of establishing and managing the composite baseline of the integrated applications, systems and networks that define a business process in an SOA environment.
Moreover, unlike most other baseline type tools, which perform most of its analysis offline, Wizard provides the ability to monitor and analyze networks in real-time, enabling network professionals to make on-the-fly decisions with confidence.
We chose to partner with Baseline as they are the only trusted solution in the Industry for this kind of product," says ProductionBeast Founder and CEO, Eric Hebel.
By partnering with Baseline, Spideo's application is able to rely on the industry's highest quality and most comprehensive data platform to connect our users with the content they want to watch," said Gabriel Mandelbaum, Spideo co-founder and head of sales.
MERIDIAN, Idaho, March 16 /PRNewswire/ -- When Baseline, the leader in green irrigation control technology, wanted to create some excitement about their new controller lineup, they turned to Custom Bike Builder Chris Olson.
All-Dimensional Compliance refers to the ability to ensure that an SOA meets an organization's baseline requirements from any sources, including regulatory, competitive and operational requirements.