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reliability

 [re-li″ah-bil´ĭ-te]
1. in statistics, the tendency of a system to be resistant to failure.
2. precision (def. 2).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

re·li·a·bil·i·ty

(rē-lī'ă-bil'i-tē),
The degree of stability exhibited when a measurement is repeated under identical conditions. See: correlation coefficient, reliability coefficient.
[M.E. relien, fr. O.Fr. relier, fr. L. religo, to bind]
Farlex Partner Medical Dictionary © Farlex 2012

reliability

Statistics The extent to which the same test or procedure will yield the same result either over time or with different observers. See Interrater reliability, Test-retest reliability.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

re·li·a·bil·i·ty

(rĕ-lī'ă-bil'i-tē)
Repeatability; ability of a test to be repeated by several testers and produce the same result.
[M.E. relien, fr. O.Fr. relier, fr. L. religo, to bind]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

reliability 

The extent to which multiple measurements of the same thing, made on separate occasions, yield approximately the same results. The reliability between two sets of scores can be assessed by determining the correlation coefficient (test-retest reliability coefficient). See validity.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

re·li·a·bil·i·ty

(rĕ-lī'ă-bil'i-tē)
Degree of stability exhibited when a measurement is repeated under identical conditions.
See: correlation coefficient
[M.E. relien, fr. O.Fr. relier, fr. L. religo, to bind]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about reliability

Q. How easy is it to tell about the baby’s birth date? Is it reliable? Hi everyone! My sister is being diagnosed as pregnant. She has a very regular menstrual cycle and her hormone levels are good. How easy is it to tell about the baby’s birth date? Is it reliable?

A. My friend got the due date of birth by doctor and it goes very near by, just the difference was for 5 days from the date. Since you have very regular menstural cycle, it would be easy for the doctors to calculate the birth date. And you can rely on the birth date being calculated by the doctors. It can be calculated easily. You need to find the 1st day of your last period then count back 3 months and add 7 days. Now you get your date.

Q. Can someone…clarify which is the best and reliable one? Hi I am 23 years woman............ I am confused with the different type of tests and diagnosis my friend is having as she is being suspected for breasts cancer. Can someone…clarify which is the best and reliable one?

A. Please understand that all the tests that are being carried out are reliable and it would entirely depend upon the requirement and treatment stages. They would also depend upon age groups , stages of cancer etc. In general the different types are: clinical breast examination done by the clinicians in a clinic. Mammogram, which are special X-ray to check abnormal growth changes in the breast tissues. Chance of cyst to be confused by breast cancer is resolved by ultrasound. To check if the particular tissue is cancerous is done by breast biopsy.

Q. What are the tests and steps involved in diagnosis of breast cancer and are all tests reliable?

A. First symptoms are looked for----- as a lump and pain associated with it and any redness or any nipple discharge. They also look for the medical history and if found for any possibility then it’s evaluated by mammography, but for woman it can give wrong result as they have dense breasts but for men it is well diagnosed. If any breast abnormalities are found during mammography they are confirmed with ultrasound and for women patients this is a better option. For women and symptom evident men for nipple discharge are also looked for nipple discharge test. But these tests do not confirm a cancer and for confirmation a biopsy is required followed by lab test on those biopsy samples. Biopsy is removing of body tissue for further cancer confirmative lab tests which is generally looking under a microscope to indentify the cell type and the type of cancer is known. Their reliability is based on the person operating the instrument and his experience.

More discussions about reliability
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References in periodicals archive ?
I rely upon the best available evidence from the medical literature as a guide.
If you're skeptical about the control environment, professional standards allow you to not rely on the controls and instead perform substantive tests to detect misstatements.
In other words, even if the accountant does not know of the third-party or the third-party is not within the "intended users of financial statements," the accountant is liable if the third-party is within a class of persons "who might reasonably be foreseen to rely upon the financial statements and the accountant's opinion.
The research shows that few people really know what motivates people to declare jihad, or holy war, and tend to rely on stereotypes.
A UKSA spokesman said: "The suggestion that the Government will enforce reductions in dividends, or even total suspension which has been suggested in some press reports, will dismay many of our members who rely on such dividends for their retirement income.
Now, auditors are required to obtain access to opinions of outside advisers on which client's rely, if the client's support for the tax accrual or matters affecting it, including tax contingencies, is based on that outside opinion--"notwithstanding potential concerns regarding attorney-client or other forms of privilege."
In his view, risky developments that rely on over-inflated prices contribute to the perception of an impending real estate bubble more than anything else.
Many disaster recovery plans also rely on the central office or company headquarters to perform backups on a routine, predefined schedule (typically once a day).
Emil Salim, Indonesia's former environment minister and the head of the World Bank review, argues that countries that rely primarily on so-called "extractive industries" tend to have higher levels of poverty, child disease and mortality, civil war, corruption and totalitarianism than those with more diversified economies.
Whenever offices must rely on each other to provide information or to move a process to the next step, natural tensions emerge.
The worst offenders were Procter and Gamble's ultra-absorbent Rely tampons.
Do not rely on names, as color varies from one supplier to the next.