(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.
Sporadic
Definition:
(a.) Occuring singly, or apart from other things of the same kind, or in scattered instances; separate; single; as, a sporadic fireball; a sporadic case of disease; a sporadic example of a flower.
Example Sentences:
(1) Mutational mosaicism was used as a developmental model to analyze 1,500 sporadic and 179 familial cases of retinoblastoma from the world literature.
(2) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
(3) High mortality, severe destruction of pancreatic B-cells and presence of sporadic mononuclear infiltrations in islets and around excretory ducts were observed.
(4) Progressive sporadic myopathy in association with Down's syndrome has not been reported previously.
(5) After examining the cases reported in literature (Sacks, Barabas, Beighton Sykes), they point out that, contrary to what is generally believed, the syndrome is not rare and cases, sporadic or familial, of recurrent episodes of spontaneous rupture of the intestine and large vessels or peripheral arteries are frequent.
(6) This study examines the morphology of sporadic congenital microphthalmia in 1-day-old chicks, with particular emphasis on the neural retina.
(7) 18 patients with typical sporadic Amyotrophic Lateral Sclerosis (ALS) were investigated by the Motor Accuracy and Speed Test (MAST) and 18 healthy age- and-sex-matched volunteers, acted as controls.
(8) Instead, we suffer sporadic exhibitions, which they call consultation.
(9) Fairly frequently the patients complained about mucosal dryness and sporadically about dyspeptic symptoms, but these symptoms were not disturbing the course of the treatment.
(10) Women with a history of recurrent spontaneous abortions (repeaters) are compared with women who have had live births and no spontaneous abortions (multiparae) and women who have had live births and only one spontaneous abortion (sporadics) to identify characteristics of the women and their abortuses that might predict subsequent fetal loss.
(11) DNA studies were undertaken following 53 requests from pregnant women at risk for Duchenne and Becker muscular dystrophy, including 32 in whom there was only 1 affected individual in the family (sporadic cases).
(12) To date we have analysed members of 28 DMD families (10 familial, 18 sporadic) and six BMD families (four familial, two sporadic) with the closely linked pERT probes 87-1, 87-8, and 87-15 (DXS164).
(13) The autonomic centers in the brain-stem and cerebellum were systematically affected in both the sporadic and the hereditary cases.
(14) After intrauterine inoculation E. coli was isolated from the uterus up to 30 days, and sporadically from the kidneys and urinary bladder, but not from the liver.
(15) In sporadic cases this may have serious implications.
(16) Associated non-urogenital anomalies, although more frequent in sporadic cases, have been reported in HRA.
(17) Six patients without abnormal clones had more than 20% metaphases with random heteroploidy and sporadic structural anomalies.
(18) AIDS, having presented itself as a sporadic and ill defined entity, remained unrecognized in Central Africa until the outset of the present outbreak.
(19) The time-related incidence of these cells entities--the appearance of "dusk" and "bright" cells at 5 min, transitory domination of "bright" cells and the nadir of "dusk" cells at 20 min, sporadic recognition of "bright" cells, lack of "dusk" cells at 45 min and the absence of both cell forms at 180 min--displayed that LP-reactive response promptly appeared and rapidly ceased.
(20) The results of virological investigations on 492 sporadic cases with a clinical diagnosis compatible with an enterovirus etiology studied in Lombardy between 1965 and 1972 are reported.