What's the difference between comparator and standard?

Comparator


Definition:

  • (n.) An instrument or machine for comparing anything to be measured with a standard measure; -- applied especially to a machine for comparing standards of length.

Example Sentences:

  • (1) In contrast, arteries which were exposed to CO showed a higher uptake of cholesterol as compared to their corresponding control.
  • (2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
  • (3) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (4) For some time now, public opinion polls have revealed Americans' strong preference to live in comparatively small cities, towns, and rural areas rather than in large cities.
  • (5) This study compares the mortality of U.S. white males with that of Swedish males who have had the highest reported male life expectancies in the world since the early 1960s.
  • (6) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
  • (7) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
  • (8) The 1989 results were compared with those of a similar survey performed in 1986.
  • (9) As the percentage of rabbit feed is very small compared to the bulk of animal feeds, there is a fair chance that rabbit feed will be contaminated with constituents (additives) of batches previously prepared for other animals.
  • (10) These lysates are comparable to those of Escherichia coli in transcriptional and translational fidelity and efficiency in response to a given template DNA.
  • (11) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
  • (12) The procedure was used on 71 occasions, and in each case a clinical diagnosis was made and compared with the cytological diagnosis made independently by a pathologist.
  • (13) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (14) Children of smoking mothers had an 18.0 per cent cumulative incidence of post-infancy wheezing through 10 years of age, compared with 16.2 per cent among children of nonsmoking mothers (risk ratio 1.11, 95% CI: 1.02, 1.21).
  • (15) Collagen production of rapidly thawed ligaments was studied by proline incubation at 1 day, 9 days, or 6 weeks after freezing and was compared with that of contralateral fresh controls.
  • (16) This study compared the non-invasive vascular profiles, coagulation tests, and rheological profiles of 46 consecutive cases of low-tension glaucoma with 69 similarly unselected cases of high-tension glaucoma and 47 age-matched controls.
  • (17) Needle acupuncture did, however, increase the pain threshold compared with the initial value (alpha = 0.1%).
  • (18) Yields of Thiobacillus dentrificans on different substrates were compared.
  • (19) The effects of hormonal promotion of T24-ras oncogene-transfected rat embryo fibroblasts (REF) were compared to cotransformation of these cells with adenovirus E1A and ras.
  • (20) A subsample of patients scoring over the recommended threshold (five or above) on the general health questionnaire were interviewed by the psychiatrist to compare the case detection of the general practitioner, an independent psychiatric assessment and the 28-item general health questionnaire at two different cut-off scores.

Standard


Definition:

  • (n.) A flag; colors; a banner; especially, a national or other ensign.
  • (n.) That which is established by authority as a rule for the measure of quantity, extent, value, or quality; esp., the original specimen weight or measure sanctioned by government, as the standard pound, gallon, or yard.
  • (n.) That which is established as a rule or model by authority, custom, or general consent; criterion; test.
  • (n.) The proportion of weights of fine metal and alloy established by authority.
  • (n.) A tree of natural size supported by its own stem, and not dwarfed by grafting on the stock of a smaller species nor trained upon a wall or trellis.
  • (n.) The upper petal or banner of a papilionaceous corolla.
  • (n.) An upright support, as one of the poles of a scaffold; any upright in framing.
  • (n.) An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally.
  • (n.) The sheth of a plow.
  • (n.) A large drinking cup.
  • (a.) Being, affording, or according with, a standard for comparison and judgment; as, standard time; standard weights and measures; a standard authority as to nautical terms; standard gold or silver.
  • (a.) Hence: Having a recognized and permanent value; as, standard works in history; standard authors.
  • (a.) Not supported by, or fastened to, a wall; as, standard fruit trees.
  • (a.) Not of the dwarf kind; as, a standard pear tree.

Example Sentences:

  • (1) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (2) Standardization is possible after correction by the protein content of each individual section.
  • (3) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
  • (4) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
  • (5) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
  • (6) Anytime they feel parts of the Basic Law are not up to their current standards of political correctness, they will change it and tell Hong Kong courts to obey.
  • (7) Standard nerve conduction techniques using constant measured distances were applied to evaluate the median, ulnar and radial nerves.
  • (8) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
  • (9) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
  • (10) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
  • (11) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (12) The enzyme was quantitated by incubation of 16-micron-thick brain sections with 0.07-2 nM of the converting enzyme inhibitor 125I-351A and comparison to 125I-standards.
  • (13) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
  • (14) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
  • (15) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
  • (16) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
  • (17) The cyclical nature of pyromania has parallels in cycles of reform in standards of civil commitment (Livermore, Malmquist & Meehl, 1958; Dershowitz, 1974), in the use of physical therapies and medications (Tourney, 1967; Mora, 1974), in treatment of the chronically mentally ill (Deutsch, 1949; Morrissey & Goldman, 1984), and in institutional practices (Treffert, 1967; Morrissey, Goldman & Klerman (1980).
  • (18) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
  • (19) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.
  • (20) A number of variables which could influence the test has been evaluated and standardized in a way suitable for the routinary use of the technique described.