matching


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matching

 [mach´ing]
1. comparison and selection of objects having similar or identical characteristics.
2. the selection of compatible donors and recipients for transfusion or transplantation. See also typing.
3. the selection of subjects for clinical trials or other studies so that the different groups being compared are similar in specified characteristics, e.g., age, sex, or race, in order to reduce bias caused by comparison of dissimilar groups. Matching may be on an individual (matched pairs) or a group-wide basis.
cross matching crossmatching.

match·ing

(match'ing),
The process of making a study group and a comparison group in an epidemiologic study comparable with respect to extraneous or confounding factors such as age, gender, and weight.

matching

EBM
The grouping of individuals or groups by researchers based on particular variables thought to be important (such as gender or age). In a case-control study, if the controls are chosen because of particular similarities to the people who are in the case group, the cases and controls are said to be “matched”.

Social medicine
The attempt to select adoptive parents similar to the child being adopted, as in appearance, interests, intelligence, personality or other traits, so as to achieve the best outcome for the adoption.

matching

Clinical trials A process by which a study group and comparison group are 'equalized' with respect to factors viewed as extraneous to the study's central questions, that might interfere with interpreting data on study completion. See Case-control study. Cf Match.

match·ing

(mach'ing)
The process of making a study group and a comparison group in an epidemiologic study comparable with respect to extraneous or confounding factors such as age, sex, and weight.

match·ing

(mach'ing)
Process of making a study group and a comparison group in an epidemiologic study comparable with respect to extraneous or confounding factors.

Patient discussion about matching

Q. Hi members, after I notice that our symptoms match those of fibromyalgia. Hi members, after I notice that our symptoms match those of fibromyalgia, do we have to live with it and simply manage it for the rest of our life or try some luck with food and meds? Thanks.

A. If you could have given a particular age details then it could have been easy to analyze. This condition is relatively new, yet it's appearing in epidemic numbers. Dr. Whiting (an orthomolecular nutritionist), finds in his work with people suffering with this that they are all very toxic. When their systems have been properly detoxified their symptoms will disappear. His personal feeling is that this is a condition of hyper-toxicity and manifests itself in people who are unable to physically cope with the overload of toxins in their system.

More discussions about matching
References in periodicals archive ?
However, the K-1 matching program will continue to produce uneven results until the longer-term cures can be affected.
The practice of matching partial fingerprints with those of a suspect has along history, yet the judge found that its validity had never been tested in any meaningful way.
Notice 2000-3 also provides additional flexibility to safe-harbor plan sponsors that choose the matching contribution approach.
The Service did not address the fact that some participants would not actually receive a matching contribution because they did not make their own deferral, only cautioning that "[t]his ruling is based on the assumption that the amount transferred from Plan X into the suspense account under Plan Y will be allocated from such account to accounts of participants no less rapidly than ratably over the 7-plan-year period beginning with the year of the transfer in accordance with Code section 4980(d)(2)(c)."
This matching principle also does not apply to deductions except interest, that represent income to related foreign entity if that income is exempted treaty from U.S.
* Precise color matching - employing advanced mathematics to predict colorant behavior, including automatic compensation for differences in gloss between two samples.
Custom color matching for all thermoplastics applications, including automotive, appliances, house siding, food packaging, and special effects.
Sometimes, for instance, a divisional lab might become swamped with quality-control work, leaving little time for color matching and formulation.
Products are available either as matched custom colors or individual pigment concentrates as part of matching systems.
A full service technical-service laboratory, including computerized color matching and quality control, can design a complete additive system or manufacture a product to customer specifications.
Computer-assisted color matching and quality control programs ensures cost-effective "best" matches under all light conditions and maintenance of accuracy and reproducibility batch-to-batch in production.
Image matching is the core operation in many computer vision tasks [1-4].