What's the difference between eighteen and nineteen?
Eighteen
Definition:
(a.) Eight and ten; as, eighteen pounds.
(n.) The number greater by a unit than seventeen; eighteen units or objects.
(n.) A symbol denoting eighteen units, as 18 or xviii.
Example Sentences:
(1) Eighteen adult epileptic patients under CBZ therapy were evaluated in this single-blind, randomized cross-over study.
(2) Eighteen of 21 patients had no clinical signs of recurrence after initial therapy.
(3) We performed a combined one-stage approach for the treatment of eighteen spastic subluxated or dislocated hips in eleven children who had cerebral palsy.
(4) Changes of circulating blood volume during isoflurane or sevoflurane anesthesia were investigated by the dual indicator dilution method in eighteen mongrel dogs.
(5) Eighteen rabbits (Kabushikigaishya BioTec Japanese white) were divided into 3 groups.
(6) Buffer mechanism of cerebrospinal fluid (CSF) against acute hypercapnia was studied in eighteen dogs.
(7) Eighteen of the 23 women (78%) had been unable to work during the first day of menstruation, the rate of working days lost was reduced to 4% with ketoprofen and 9 with indomethacin.
(8) Eighteen patients with various mucopolysaccharidoses or mucolipidosis III were studied electrophysiologically to determine the presence or absence of carpal tunnel syndrome.
(9) Eighteen patients had their therapy electively discontinued, and five relapses occurred thereafter.
(10) Eighteen cases (28 eyes) with congenital cataracts are analyzed.
(11) Eighteen control subjects with or without GER were free of upper airway inflammatory process.
(12) Eighteen variables were selected for discriminant analysis, comparing the patients nerver released from the hospital with those known to be current extrainstitutional residents.
(13) One hundred eighteen consecutive patients undergoing valve replacement for aortic stenosis were analyzed to determine the incidence of and predisposing factors to postoperative atrial tachyarrhythmias.
(14) Red blood cell 6TGN concentrations in eighteen leukaemic children receiving chronic 6-mercaptopurine chemotherapy were measured and compared to a previously published spectrophotofluorometric assay.
(15) The efficacy of three different therapeutic regimes was studied in one group by the application of the drug to the entire skin for either five minutes, fifteen minutes, or twelve hours for eighteen days.
(16) Eighteen were followed up for more than 4 years (mean 6.2).
(17) Eighteen total hip replacements were performed in 10 patients with ankylosing spondylitis.
(18) The test plates are incubated at 37 degrees C for a period ranging from thirteen to eighteen hours.
(19) Twenty-six rapidly adapting units (RA), eighteen slowly adapting units (SA) and ten Pacinian corpuscle units (PC) were differentiated from each other mainly on the presence of the off response in RA and PC units to a ramp stimulation, the persistence of discharges of the SA units during steady pressure on the receptive field and the classical tuning curve seen in the PC units.
(20) Fifty-four fractions prepared from eighteen plant species were screened for their inhibitory effects on adenosine 5'-diphosphate, arachidonic acid, or collagen-induced rat platelet aggregation.
Nineteen
Definition:
(a.) Nine and ten; eighteen and one more; one less than twenty; as, nineteen months.
(n.) The number greater than eighteen by a unit; the sum of ten and nine; nineteen units or objects.
(n.) A symbol for nineteen units, as 19 or xix.
Example Sentences:
(1) 1 The effects of chronic ethanol intake on the elimination kinetics of antipyrine were determined in nineteen male alcoholic subjects with comparison made to fourteen male volunteers.
(2) One thousand nineteen Wyoming ground squirrels (Spermophilus elegans elegans) from 4 populations in southern Wyoming were examined for intestinal parasites.
(3) Nineteen non-ependymal neuroectodermal tumors were used as controls.
(4) Nineteen Dacron velour fistula bypasses between the brachial artery and median basilic vein were performed in fifteen selected patients for a total dialysis period of ninety-six months.
(5) Nineteen patients were divided into two groups: those with and those without arthro-osteitis.
(6) The component was revised in forty-five patients, revision and advancement of the trochanteric component was done in twenty-five patients, and impinging bone or cement was removed from six patients; a combination of these procedures was done in nineteen patients.
(7) Nineteen percent of the medication administration visits could be eliminated by this method according to the independent judgments of two physicians.
(8) Nineteen patients with cancer were studied, including 15 imaged during the distribution phase.
(9) The nineteen pupils so discovered had more exercise-induced bronchial lability than equivalently exercised controls.
(10) Nineteen (42.2%) patients with hepatocellular carcinoma had a ratio of peak 2:peak 1 higher than 1.05.
(11) Nineteen members of the West Midlands Police Force, who qualified as PTSD sufferers, were offered the 're-wind' technique.
(12) Nineteen patients with angina pectoris and nine patients with dilated cardiomyopathy received xamoterol 200 mg b.i.d.
(13) Nineteen patients completed the six weeks' dose titration phase (2.5-5-10 mg twice daily) of whom 17 were followed for one year.
(14) Nineteen patients with grade III injuries had distal pancreatectomy.
(15) Nineteen human placentas, obtained from 9 normal women and 10 women with diagnosed systemic lupus erythematosus (SLE), were extensively examined by electron microscopy for the presence of virus-like particles.
(16) Nineteen patients presented as emergencies with haemorrhage, perforation, pyloric stenosis or intestinal obstruction.
(17) Two hundred nineteen patients (88%) had all accessory AV connections ablated during the initial attempt at catheter ablation.
(18) Nineteen of 21 patients alive at the end of follow-up were free of disease.
(19) During the period of nineteen years a significant increase of the coronary sclerosis was observed.
(20) Nineteen required ventilator support for greater than 2 wk and all were considered ventilator dependent because of their inability to tolerate weaning trials.