Search Results
Results 201 - 250 of 456
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Oparaugo P C - - 2001
This survey focused on clinical reports of polyethylene wear and osteolysis in total hip replacements. With regard to documentation of clinical wear-rates, 57 publications were reduced to an analysis of 8 reports of THR series, including the incidence of osteolysis. A direct correlation was found among volumetric wear-rates, incidence of ...
Wilson A L AL School of Medicine, University of South Dakota, - - 2001
For the second consecutive year, 1999 brought an increase in the total number of births in South Dakota. Low birth weight newborns also increased during this year to 5.9%, representing the highest rate observed since 1974. Although the total percent of low birth weight increased, the percent of very low ...
Jiang Z D - - 2000
Maximum length sequence brainstem auditory evoked response (BAER) was studied within the first week after birth in 28 term neonates who had perinatal hypoxia-ischemia, or asphyxia. In the BAER recorded using conventional averaging techniques (click rate 21/s), the only abnormality was a slight increase in III-V interval, in addition to ...
Diggle L L Oxford Vaccine Group, University Department of Paediatrics, John Radcliffe Hospital, Oxford OX3 9DU, UK. - - 2000
To compare rates of local reactions associated with two needle sizes used to administer routine immunisations to infants. Randomised controlled trial. Routine immunisation clinics in eight general practices in Buckinghamshire. Healthy infants attending for third primary immunisation due at 16 weeks of age: 119 infants were recruited, and 110 diary ...
Ventura S J - - 2000
Teenage childbearing in the United States has declined significantly in the 1990s. Still the U.S. teen birth rate is higher than in other developed countries; in 1997 it was 52.3 births per 1000 women aged 15 to 19. A steep rise in teen birth rates in the late 1980s generated ...
Coory M - - 2000
OBJECTIVE: To investigate trends in the birth rate for teenagers in Queensland, stratified by geographic remoteness and economic disadvantage. METHOD: This was an analysis of routine data for the period 1988 to 1997. The number of births were obtained from the Queensland Perinatal Data Collection. Population data (the denominators for ...
Cao X - - 2000
OBJECTIVE: To compare the clinical performance of two intrauterine devices (the frameless GyneFix intrauterine device (IUD) and the TCu380A IUD) during long-term use. STUDY DESIGN: This was a randomized comparative study. A total of 157 insertions of the GyneFix IUD were compared with 156 insertions of the TCu380A IUD in ...
Liu S - - 2000
An investigation of insect parasitoids of the diamondback moth, Plutella xylostella (Linnaeus), in brassica vegetable crops in the suburbs of Hangzhou was conducted during five periods from 1989 to 1997. Eight species of primary parasitoids were recorded: Trichogramma chilonis Ishii, Cotesia plutellae Kurdjumov, Microplitis sp., Oomyzus sokolowskii Kurdjumov, Diadromus collaris ...
Acs N - - 2000
BACKGROUND: The leading cause of death among elderly women is cardiovascular (CV) disease in the United States and in Western Europe as well. The protective effect of postmenopausal hormone replacement therapy (HRT) on coronary heart disease has been verified in epidemiologic studies. There are no data available on the rate ...
Villaveces A A Department of Epidemiology, School of Public Health and Community Medicine, and the Harborview Injury Prevention and Research Center, University of Washington, Seattle, USA. - - 2000
Homicide is a leading cause of death in Colombia, with much of the fatal interpersonal violence concentrated in the country's largest cities. Firearms are involved in as much as 80% of homicides in Colombia. To evaluate the effect of an intermittent police-enforced ban on carrying firearms on the incidence of ...
Gissler M - - 2000
OBJECTIVE: To describe the differences in childbearing, in prenatal and obstetrical practices, and in perinatal health outcome in Finland and Estonia. DESIGN: Registry study using the data from the Finnish and Estonian medical birth registries for years 1992 to 1996 (in total 324,021 and 74,297 newborns, respectively). RESULTS: In 1992 ...
Brown L H - - 2000
OBJECTIVES: Historically, motor vehicle crash (MVC)-related mortality is higher in rural areas than in urban areas. The authors evaluated whether the difference in rural and urban MVC deaths is persisting, and whether the frequency of patients being found dead at the scene, particularly in rural areas, is increasing. METHODS: Fatal ...
Gilbert B C - - 1999
OBJECTIVES: To determine if the Pregnancy Risk Assessment Monitoring System (PRAMS) is a unique and valuable MCH data source and an effective mechanism for states to collect MCH data, and to assess if recent changes in it have improved efficiency and flexibility. METHODS: Each component of the PRAMS methodology is ...
Ventura S J - - 1999
OBJECTIVES: This report presents national birth rates for teenagers for 1991-98; the percent change, 1991-98; State-specific teenage birth rates for 1991 and 1997; and the percent change, 1991-97. METHODS: Tabular and graphical descriptions of the trends in teenage birth rates by age group, race, and Hispanic origin of the mother ...
Martin J A - - 1999
OBJECTIVES: This report presents preliminary data for 1998 on births and deaths in the United States. U.S. data on births are shown by age, race, and Hispanic origin of mother. Natality data on marital status, prenatal care, cesarean delivery, and low birthweight are also presented. Mortality data presented include life ...
Sepaher I - - 1999
This study focused on the frequency with which two MMPI-2 suicide items (506 and 520) were endorsed. These two items can be referred to as the "I Mean Business" items, for there is no denying that the client is reporting the recent contemplation of actively taking his or her life. ...
Birckmayer J - - 1999
OBJECTIVES: This study examined the association between the minimum legal drinking age (MLDA) and suicides among youths aged 18 to 20 years. METHODS: The study used pooled cross-sectional time-series data on youth suicide and the MLDA for the 48 contiguous states in the United States from 1970 to 1990. Poisson ...
Hoshi N - - 1999
The aims of the present study were to determine recent trends in the prevalence of Down syndrome (DS) in Japan, and to determine whether recent changes in demographic and social habits and access to prenatal diagnosis have influenced the livebirth rates of DS. Livebirth statistics indicate that the birth rate ...
Menard M K - - 1999
The increase in CS rates in the United States in the 1970s and 1980s and the gradual decrease in the 1990s have been the focus of considerable attention because of the increased maternal morbidity and cost associated with the procedure without apparent impact on infant mortality. Focused efforts to reduce ...
- - 1999
In Massachusetts during 1989-1996, perinatal health indicators such as infant mortality, teen birth rate, and maternal smoking during pregnancy decreased steadily; however, low birthweight (LBW) (i.e., <2500 g [<5 lbs, 8 oz]) rates increased consistently. During this same period, the multiple-birth rate (i.e., number of twins and higher order multiple ...
Hook E B - - 1999
BACKGROUND: Maternal age-specific rates of Down syndrome livebirths are widely utilized in personal and policy decisions concerning provision of and election of prenatal cytogenetic diagnostic services. The only extensive reference data available are on those of primarily European ancestral origin. In the absence of definitive evidence of any ethnic, racial ...
Mola G - - 1999
In 1987, a computerized obstetric database was set up at the Port Moresby General Hospital. Between 1987 and 1992, 27,117 births took place. The mean haemoglobin value amongst the 83% of women in whom a haemoglobin value was tested was 10.0 +/- 1.7 g/dL. High stillbirth rates (94 per 1,000) ...
Mansoer J R - - 1999
OBJECTIVE: To determine to what extent tuberculosis incidence is associated with altitude. METHODS: Notification rates were obtained from all 41 districts in Kenya in the period 1988-1990; the mean altitude of each district was estimated. Data on indicators of socio-economic status such as literacy rate and infant mortality rate were ...
Ventura S J - - 1999
Teenage births and birth rates have dropped steadily during the 1990s. Overall, the teen birth rate declined 15 percent between 1991 and 1997. The trend in the 1990s reverses a period of steep increases from 1986 to 1991. Despite the recent declines, the teen birth rate in 1997 is still ...
Wilson A L - - 1999
Births in South Dakota again decreased in 1997, continuing an ongoing trend that began in 1980. Progress in 1997 was noted in the use of first trimester prenatal care and the rate of low birth weight in the State remained lower than that observed nationally. The State's infant mortality rate ...
Ventura S J - - 1998
This report presents data on the numbers of teenage births and teenage birth rates for the United States for the period 1950-97 and State-specific birth rates for teenagers for 1991-96. After increasing sharply in the late 1980's, birth rates declined for American teenagers from 1991 through 1997. Rates fell overall ...
Lynskey M - - 1998
This report analysed data on opioid overdose mortality between 1988 and 1996 to: examine differences between jurisdictions in the rate of fatal opioid overdose and the rate of increase in overdose; and estimate the proportion of all deaths which were attributed to opioid overdose. Australian Bureau of Statistics (ABS) data ...
Yadav R S - - 1998
In Indian villages with high malaria endemicity use of nylon bednets treated at 25 mg/m2 at 6-month intervals for 3 years caused significant reductions in malaria incidence, slide positivity rate, slide falciparum rate, annual parasite index, and parasite rate in the entire population, as well as reductions in rates of ...
Polednak A P - - 1998
Very high mortality rates have been reported in large inner-city areas such as the South Bronx and Harlem in New York City, but also may occur in smaller US urban areas. Using published death rates for the South Bronx as the standard, the standardized mortality ratio was slightly lower than ...
Ehara H - - 1998
The authors studied the epidemiology of spina bifida in Tottori Prefecture, Japan, from 1976 to 1995. Thirty-four patients (16 men and 18 women) were registered in this study. Consanguineous marriages, familial occurrence, and abnormalities in prenatal history were not observed. The incidence rate in the entire prefecture and in the ...
Ventura S J - - 1998
OBJECTIVES: This report provides State-specific birth rates for teenagers for 1991 and 1996 and the percent change, 1991-96. METHODS: Tabular and graphical description of trends in teenage birth rates by age group for each State. RESULTS: Birth rates for teenagers 15-19 years declined significantly in all but three States between ...
Marshall E C - - 1998
To determine to what extent institutions carrying out in vitro fertilisation can reasonably be ranked according to their live birth rates. Retrospective analysis of prospectively collected data on live birth rate after in vitro fertilisation. 52 clinics in the United Kingdom carrying out in vitro fertilisation over the period April ...
Gould J - - 1998
OBJECTIVES: The teen birth rate is commonly used in comparing regional variation in teen pregnancies, but local teen birth rates are not always available. In this study the percentage of all births that are to teens was evaluated for its utility as a surrogate for the teen birth rate. METHODS: ...
Scheil W - - 1998
This study describes trends in reports of pertussis in South Australia. Data were analysed from three sources: mortality data since 1893 from South Australian yearbooks, notification data from 1917, and hospitalisation data for pertussis or related complications since July 1985. Crude and age-specific rates of mortality, notifications and hospitalisation were ...
McKee G R - - 1998
The rate of suicide in jails has been found to be 11 to 14 times greater than suicide within the general population. The purpose of the present study is to compare the demographic, offense, and situational characteristics of 665 adult male and 89 female jail inmates who attempted suicide by ...
Kenney L B - - 1998
BACKGROUND: During the decade between 1980-1990, the rate of cancer in children in the U.S. increased. It is unknown whether cancer in infancy, which is biologically and clinically different from cancer in older children, also increased. METHODS: To evaluate changes in cancer incidence in infants in the U.S. age < ...
Burvill P W - - 1998
BACKGROUND: Various studies from Australia, Canada and the United States have shown significant rank correlations between the suicide rates of immigrants and those of their country of birth (COB). This study compares the rank ordering of age standardized suicide rates of immigrants in Australia for two periods, 1961-70 and 1979-90: ...
Salib E - - 1997
BACKGROUND: We aimed to study the effect of weather conditions on the rate of all deaths due to fatal self-harm (FSH) reported in a population of 350,000. In this study the term FSH refers to all coroners' verdicts which were recorded in a specified period and included suicide, misadventure and ...
Koketsu Y - - 1997
A database containing 12,110 farrowing records from 16 commercial farms was abstracted from the PigCHAMP production information system. The farms were selected based on the willingness of producers to keep records and average weaning age. The ADFI records of 10,846 of these lactating sows were also obtained. Sows weaned at ...
- - 1997
During the late 1980s, birth rates for teenagers in the United States increased sharply. Although rates have declined steadily since 1991 (1,2), age-, race-, ethnicity-, and state-specific rates have varied substantially. Despite recent declines, the U.S. birth rate for teenagers remains high compared with other industrialized countries. In 1996, an ...
Gurney J G - - 1997
Many cancers in infants demonstrate unique epidemiologic, clinical, and genetic characteristics compared with cancers in older children. Few epidemiologic reports, however, have focused on this important age group. Population-based data from the Surveillance, Epidemiology, and End Results (SEER) program were used to estimate relative frequency, incidence rates, and average annual ...
Druid H - - 1997
In a retrospective study, 288 firearm deaths were analysed to identify factors indicating homicide. The cases were classified as suicides (213), homicides (54), accidents (14) and undetermined cases (7). A number of factors, related to the circumstances and the autopsy findings, were studied. Whereas 41% of the homicide victims were ...
Jain P K - - 1997
The study was carried out to evaluate the efficacy of IPV in neonates and to study the additive effect of IPV or OPV at birth on seroconversion with three subsequent doses of OPV. Addition of IPV or OPV at birth to the conventional OPV schedule resulted in significantly higher seroconversion ...
Huang S - - 1997
In mammals, the oocyte and its surrounding cumulus cells constitute on oocyte cumulus complex (OCC). During ovulation, OCCs are extruded into the peritoneal or bursal cavity, depending on the species, and are then rapidly picked up by the fimbria on the outer surface of the oviductal infundibulum and transported to ...
Danubio M E - - 1997
The marital structure of Italians living in Boston, Massachusetts, in the period 1880-1920 was studied in order to explore the integration process in the urban context. The study analyses endogamy and inbreeding, using data on 15,579 marriages from the parish books of the three Italian parishes of Boston. Endogamic rates ...
de Klerk A - - 1997
We studied 142 preterm infants (mean gestation 31 weeks, mean birthweight 1364 g) fed prospectively varied protein and energy intakes. Infants were grouped as either slow or rapid growers based on rate of weight gain. Rapid growers had increased heart rates (166 vs 160 beats/min), respiratory rates (55.7 vs 53.9 ...
McConnochie K M - - 1997
OBJECTIVES: To examine geographic variation in rates of infant hospitalization for diagnoses classified by type of hospitalization decision in Monroe County (Rochester), New York. METHODS: Study design was cross-sectional and ecologic. International Classification of Diseases (ICD) codes were used to categorize all 7883 hospitalizations for infants (age, <24 months) beyond ...
Lucas D - - 1997
"The Monthly Returns to the War Office in London are used to calculate death and sickness rates for British troops in Australia and New Zealand. In the first half of the century death rates peak in 1835-39 before declining, and are generally lower than for troops stationed in Britain. The ...
Rannala B - - 1997
The genealogical properties of a small population with continuous overlapping generations that fluctuates randomly in size are studied using a model based on a stochastic birth-death process. The distribution of the coalescence times is presented, as well as a method for computing the expected overall length of the genealogy as ...
- - 1997
OBJECTIVE: To determine the survival and sensorineural disability rates in very preterm infants born in 1991-92, and to compare the results with contemporaneous normal birthweight controls and with preterm infants born in 1985-87. METHODOLOGY: This was a geographically determined cohort study in the state of Victoria, Australia of consecutive livebirths ...
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