What's the difference between cohort and natural?

Cohort


Definition:

  • (n.) A body of about five or six hundred soldiers; the tenth part of a legion.
  • (n.) Any band or body of warriors.
  • (n.) A natural group of orders of plants, less comprehensive than a class.

Example Sentences:

  • (1) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
  • (2) The reference cohort consisted of 1725845 men otherwise gainfully employed.
  • (3) Therefore, we examined the relationship between the usual number of drinks consumed per occasion and the incidence of fatal injuries in a cohort of US adults.
  • (4) Detailed treatment data were obtained for 23 cases and 89 matched controls from the childhood cancer cohort.
  • (5) The 20-25 year-old cohort was found to yield the most promising results; however, a statistical difference was not found to exist using the volume or area.
  • (6) The pattern of neuropsychological deficits across HIV-1 states was similar to those found in cohorts of homosexual men.
  • (7) The relationship between subjective state of health and 5-year survival in an elderly cohort was examined.
  • (8) As it was, Labour limped in seven points and nearly two million votes behind the Conservatives because older cohorts of the electorate leant heavily to the Tories and grandpa and grandma turned up at the polling stations in the largest numbers.
  • (9) Psychologic depression as measured by the Minnesota Multiphasic Personality Inventory (MMPI) in a cohort of 2018 middle-aged men employed at the Western Electric Company in 1957-1958 was positively associated with 20-year incidence and mortality from cancer.
  • (10) Follow-up of a cohort of 1,165 steelworkers exposed to acid mists has been extended from 1981 to early 1986 for most cohort members, and information on smoking has also been collected.
  • (11) Second, the commonly drawn analogy between blocking in randomized trials and matching in cohort studies is misleading when one considers the impact of matching on covariate distributions.
  • (12) Although the entire cohort of neck patients, regardless of group assignment, improved significantly on all the outcome variables over the 6-week period, patients receiving intermittent traction performed significantly better than those assigned to the no traction group in terms of pain (P = 0.03), forward flexion (P = 0.01), right rotation (P = 0.004) and left rotation (P = 0.05).
  • (13) The HIV-1-positive cohort answered more questions correctly (mean = 8.5) than did the HIV-1-negative cohort (mean = 6.5), largely as a result of general information about AIDS among those with steady sexual partners.
  • (14) However, in this cohort under study, semen characteristics of AR(+) and AR(-) patients were similar.
  • (15) These occurred in the more heavily pretreated members of the cohort.
  • (16) The present investigation utilized this long-term cohort study to assess the role of drinking and cigarette smoking habits in the causation of liver cancer.
  • (17) To determine whether electromagnetic fields emitted by VDTs are associated with an increased risk of spontaneous abortion, a cohort of female telephone operators who used VDTs at work was compared with a cohort of operators who did not use VDTs.
  • (18) In a cohort of 417 patients admitted consecutively to the Coronary Care Unit for acute myocardial ischemia (unstable angina pectoris in 121, acute myocardial infarction in 296 patients) 21 cases of non arrhythmogenic sudden death occurred within 24 hours after admission.
  • (19) These observations were made on a large cohort that could not be accumulated at an individual center.
  • (20) In the first part of the investigation, we reviewed the occurrence of urinary tract infection in a cohort of 3,924 infants born at our institution during a 4-year period.

Natural


Definition:

  • (a.) Fixed or determined by nature; pertaining to the constitution of a thing; belonging to native character; according to nature; essential; characteristic; not artifical, foreign, assumed, put on, or acquired; as, the natural growth of animals or plants; the natural motion of a gravitating body; natural strength or disposition; the natural heat of the body; natural color.
  • (a.) Conformed to the order, laws, or actual facts, of nature; consonant to the methods of nature; according to the stated course of things, or in accordance with the laws which govern events, feelings, etc.; not exceptional or violent; legitimate; normal; regular; as, the natural consequence of crime; a natural death.
  • (a.) Having to do with existing system to things; dealing with, or derived from, the creation, or the world of matter and mind, as known by man; within the scope of human reason or experience; not supernatural; as, a natural law; natural science; history, theology.
  • (a.) Conformed to truth or reality
  • (a.) Springing from true sentiment; not artifical or exaggerated; -- said of action, delivery, etc.; as, a natural gesture, tone, etc.
  • (a.) Resembling the object imitated; true to nature; according to the life; -- said of anything copied or imitated; as, a portrait is natural.
  • (a.) Having the character or sentiments properly belonging to one's position; not unnatural in feelings.
  • (a.) Connected by the ties of consanguinity.
  • (a.) Begotten without the sanction of law; born out of wedlock; illegitimate; bastard; as, a natural child.
  • (a.) Of or pertaining to the lower or animal nature, as contrasted with the higher or moral powers, or that which is spiritual; being in a state of nature; unregenerate.
  • (a.) Belonging to, to be taken in, or referred to, some system, in which the base is 1; -- said or certain functions or numbers; as, natural numbers, those commencing at 1; natural sines, cosines, etc., those taken in arcs whose radii are 1.
  • (a.) Produced by natural organs, as those of the human throat, in distinction from instrumental music.
  • (a.) Of or pertaining to a key which has neither a flat nor a sharp for its signature, as the key of C major.
  • (a.) Applied to an air or modulation of harmony which moves by easy and smooth transitions, digressing but little from the original key.
  • (n.) A native; an aboriginal.
  • (n.) Natural gifts, impulses, etc.
  • (n.) One born without the usual powers of reason or understanding; an idiot.
  • (n.) A character [/] used to contradict, or to remove the effect of, a sharp or flat which has preceded it, and to restore the unaltered note.

Example Sentences:

  • (1) The results indicated that neuropsychological measures may serve to broaden the concept of intelligence and that a brain-related criterion may contribute to a fuller understanding of its nature.
  • (2) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
  • (3) We conclude that the priming effect is not a clinically significant phenomenon during natural pollen exposure in allergic rhinitis patients.
  • (4) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
  • (5) The severity and site of hypertrophy is important in determining the clinical picture and the natural history of hypertrophic cardiomyopathy (HCM).
  • (6) Here, we review the nature of the heart sound signal and the various signal-processing techniques that have been applied to PCG analysis.
  • (7) To investigate the immunomodulating properties of cis-diamminedichloroplatinum (II) (CDDP), we studied the drug's effects on natural killer (NK) lymphocyte cytotoxicity.
  • (8) Examined specific relationships, as they occur in nature, between particular dietary variables or groups of variables and specific MMPI subscales.
  • (9) Natural tubulin polymerization leads to the formation of hooks on microtubular structures.
  • (10) Trichostatin C is presumably the first example of a glucopyranosyl hydroxamate from nature.
  • (11) The present study was undertaken to find out the nature of enzymes responsible for the processing of DV antigen in M phi.
  • (12) 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).
  • (13) The nature of the putative autoantigen in Graves' ophthalmopathy (Go) remains an enigma but the sequence similarity between thyroglobulin (Tg) and acetylcholinesterase (ACHE) provides a rationale for epitopes which are common to the thyroid gland and the eye orbit.
  • (14) Further exploration of these excretory pathways will provide interesting new insights on the numerous cholestatic and hyperbilirubinemic syndromes that occur in nature.
  • (15) In this way they offer the doctor the chance of preventing genetic handicaps that cannot be obtained by natural reproduction, and that therefore should be used.
  • (16) The nature, intracellular distribution, and role of proteins synthesized during meiotic maturation of mouse oocytes in vitro have been examined.
  • (17) Natural killer cells (CD8+CD57+) as well as activated T cells (CD3+HLA-DR+) were significantly increased in patients with sarcoidosis.
  • (18) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
  • (19) Analysis of 156 records relating to patients at the age of 15 to 85 years with extended purulent peritonitis of the surgical and gynecological genesis (the toxic phase, VI category ASA) showed that combination of programmed sanitation laparotomy and intensive antibacterial therapy performed as short-term courses before, during and after the operation with an account of the information on the nature of the microbial associations and antibioticograms was an efficient procedure in treatment of severe peritonitis.
  • (20) There is no convincing evidence that immunosuppression is effective, also because the natural history of the disease is characterised by a spontaneous disappearance of the factor VIII-C inhibitor.