What's the difference between aleatory and random?

Aleatory


Definition:

  • (a.) Depending on some uncertain contingency; as, an aleatory contract.

Example Sentences:

  • (1) The concordance diagnosis in an aleatory sample of 81 gastric carcinomas stratified according to the participation of 14 hospitals in an epidemiological study of 354 cases and 354 controls was analyzed.
  • (2) All the patients who underwent implantation of an artificial urinary sphincter can have three types of complications: those coming from the own patient, mechanical complications and other aleatory ones.
  • (3) Systolic blood pressure (SBP) was measured by Doppler method in an aleatory sample of 251 healthy children from south-east Santiago Chile (131 females and 120 males) which were divided by age in five groups: 0 to 28 days (n = 5) 1 to 5 months (n = 48), 6 to 11 months (n = 48), 12 to 17 months (n = 46) and 18 to 24 months (n = 45).
  • (4) However, they point out that in standard people, the extreme differences in the morphology of their frontal pneumatization can be explained not only by various causes--a number of which is as yet not known--but also by an aleatory distribution.
  • (5) Beyond this period of time any recovery of normal emptying indices is more aleatory, the residual obstructive syndrome appearing to be established definitely.
  • (6) To carry out this work two well-trained anthropometrists obtained data of total and kneeling height, cephalic and thoracic circumference, and weight from an aleatory sample of 333 boys and girls who study at a national school in Madrid.
  • (7) Each prediction was accompanied by a subjective probability estimate reflecting the subjects' confidence in its accuracy--a measure validated in Study 5 by having subjects choose whether to "gamble" on the accuracy of their prediction or on the outcome of a simple aleatory event.
  • (8) The test of Ishihara has been used in an aleatory representative sample; and dyschromatopsic pupils, so classified in this test, have been further explored with the anomaloscopy Pickford-Nicolson, in order to know their anomaly kind and degree.
  • (9) The study of French Death Rate per age group, compared with either formal, discutable or aleatory indications of transplantation, is a valuable basis for that calculation.
  • (10) The workers were an aleatory bunch, culturally and politically offbeat, mostly would-be musicians, writers or actors, including – yes – a serious-minded young thesp who rocked the phones.
  • (11) We report here one example of such aleatory expression of antibody idiotypes by T lymphocytes.
  • (12) A mathematical analysis attempted to measure the "potential" life span (senescence process) and the degree of a superimposed aleatory destruction (consumption process).
  • (13) After this period, recovery from the obstructive syndrome is more aleatory and decision to continue therapy must be based on other criteria.
  • (14) In most of these studies, aleatory idiotype cross-reactivities have not been sufficiently considered.
  • (15) Samples of water and snails collected through aleatory scoops in a small dam were done to obtain data concerning the physical and chemical characteristics of the water and their possible influence on biological aspects of the life cycle of snails.
  • (16) In comparison with the aleatory selection of the drug, this statistical computerized choice has diminished the recurrence index (from 8 to 3) and increased the interval free of disease (from 70 to 83.5 months) in this group of patients.
  • (17) Immunosuppressive therapeutics (Prednisone and Aziatropine) are valued in 36 limb arteritic patients, divided in two aleatory groups.
  • (18) The lesions have an aleatory character and affect variously organs and territories, leading finally to insufficiency phenomena with clinical expression: renal failure, pulmonary failure, encephalopathy, shock digestive tract, intravascular disseminated coagulation, state of shock initially hyperdynamic and afterwards hypodynamic, metabolic disturbances etc.
  • (19) In order to know the users's degree of satisfaction in the Primary Health Care Center of Zaidin-Sur in Granada, a survey has been carried out by means of a personal interview at home in an aleatory sample of 615 individuals.
  • (20) Review of an aleatory sample composed by 100 patients suffering some thyroid disorder, operated at ENT Department of the Hospital, during the last 5 years.

Random


Definition:

  • (n.) Force; violence.
  • (n.) A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; -- commonly used in the phrase at random, that is, without a settled point of direction; at hazard.
  • (n.) Distance to which a missile is cast; range; reach; as, the random of a rifle ball.
  • (n.) The direction of a rake-vein.
  • (a.) Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard; as, a random guess.

Example Sentences:

  • (1) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
  • (2) Twenty-seven patients were randomized to receive either 50 mg stanozolol or placebo intramuscularly 24 h before operation, followed by a 6 week course of either 5 mg stanozolol or placebo orally, twice daily.
  • (3) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
  • (4) We have addressed the effect of late intensification with autologous bone marrow transplantation on SCLC through a randomized clinical trial.
  • (5) However, survival was closely related to the severity of the illness at the time of randomization and was not altered by shunting.
  • (6) Statistically significant differences were found mainly in the randomized trial, where during the first and second years, respectively, adenoidectomy subjects had 47% and 37% less time with otitis media than control subjects and 28% and 35% fewer suppurative (acute) episodes than control subjects.
  • (7) In a random sample of 1,000 neonates from a Delhi Hospital the incidence of jaundice was 53% and of hyperbilirubinaemia (HB) 6%.
  • (8) Febrile reactions were not distributed randomly among the patients; those with respiratory tract infection experienced more febrile reactions during periods with infection than during periods without.
  • (9) Five days later, the animals were randomly assigned to one of four treatment groups: Group 1 received intracranial implantation of controlled-release polymers containing dexamethasone; Group 2 received intraperitoneal implantation of controlled-release polymers containing dexamethasone; Group 3 received serial intraperitoneal injections of dexamethasone; and Group 4 received sham treatment.
  • (10) In a randomized double-blind study, 40 patients with coronary heart disease received intravenously either 0.025 mg nitroglycerin or placebo.
  • (11) A prospective randomized trial was conducted at Srinagarind and Khon Kaen hospitals.
  • (12) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
  • (13) The distribution of the amino acid pairs, i, i + 1 in alpha-helical configurations does not differ from the random pairing.
  • (14) The authors studied 84 randomly selected participants who live in retirement communities to discover factors leading to successful completion of a wellness enhancing program.
  • (15) In 290 patients with untreated carcinoma of the bladder the deoxyribonucleic acid properties, as measured by flow cytometry, of 3 random mucosal biopsies were studied and compared to those of the exophytic tumors.
  • (16) A prospective randomized trial involving 64 patients with bleeding peptic ulcers was performed to assess the efficacy of two modalities of injection therapy.
  • (17) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
  • (18) One hundred and sixteen patients with advanced and metastatic adenocarcinoma of the pancreas were randomized to treatment with combined Streptozotocin and 5-fluorouracil or combined Streptozotocin and cyclophosphamide.
  • (19) The government has blamed a clumsily worded press release for the furore, denying there would be random checks of the public.
  • (20) The haemodynamics and affecting factors of the acute random skin flap and the methods for monitoring its viability were studied.

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