scholarly journals Sociodemographic Indicators of Child and Adolescent Mortality in Finland—A Nationwide Study of 310 Municipalities Covering Over 5,000,000 Inhabitants

2021 ◽  
Vol 9 ◽  
Author(s):  
Petteri Oura ◽  
Antti Sajantila
Keyword(s):  
Mortality Rate ◽  
Population Density ◽  
Confidence Interval ◽  
Foreign Language ◽  
Population Size ◽  
Divorce Rate ◽  
Premature Mortality ◽  
Child And Adolescent ◽  
Median Income ◽  
Sociodemographic Indicators

Background: The reduction of child and adolescent deaths (defined as decedents aged 0–19 years) remains a crucial public health priority also in high-income countries such as Finland. There is evidence of a relationship between socioeconomic gradients and child mortality, but the association is considered complex and relatively poorly understood. Exploiting a Finnish dataset with nationwide coverage, the present study aimed to shed light on the sociodemographic predictors of child and adolescent mortality at the municipality level.Methods: A public database of Statistics Finland was queried for municipality-level data on sociodemographic traits and child and adolescent deaths in Finland during the years 2011–2018. The sociodemographic indicators included total population size, child and adolescent population size, sex distribution, mean age, education, unemployment, median income, population density, rurality, percentage of individuals living in their birth municipality, household size, overcrowded households, foreign language speakers, divorce rate, car ownership rate, and crime rate. The sociodemographic indicators were modeled against child and adolescent mortality by means of generalized estimating equations.Results: A total of 2,371 child and adolescent deaths occurred during the 8-year study period, yielding an average annual mortality rate of 26.7 per 100,000 individuals. Despite a fluctuating trend, the average annual decline in child and adolescent deaths was estimated to be 3% (95% confidence interval 1–5%). Of the sociodemographic indicators, population density was associated with higher child and adolescent mortality (rate ratio 1.03, 95% confidence interval 1.01–1.06), whereas the percentage of foreign language speakers was associated with lower child and adolescent mortality (0.96, 0.93–0.99).Conclusion: Densely populated areas should be the primary focus of efforts to reduce child and adolescent mortality. Of note is also the apparently protective effect of foreign language speakers for premature mortality. Future studies are welcomed to scrutinize the mediating pathways and individual-level factors behind the associations detected in this study.

scholarly journals COVID-19 Mortality Rate and Its Incidence in Latin America: Dependence on Demographic and Economic Variables

2021 ◽  
Vol 18 (13) ◽  
pp. 6900
Author(s):  
Javier Cifuentes-Faura
Keyword(s):  
Latin America ◽  
Mortality Rate ◽  
Population Density ◽  
Life Expectancy ◽  
Latin American ◽  
Positive Influence ◽  
Death Rates ◽  
Per Capita ◽  
Latin American Countries ◽  
Quality Infrastructure

The pandemic caused by COVID-19 has left millions infected and dead around the world, with Latin America being one of the most affected areas. In this work, we have sought to determine, by means of a multiple regression analysis and a study of correlations, the influence of population density, life expectancy, and proportion of the population in vulnerable employment, together with GDP per capita, on the mortality rate due to COVID-19 in Latin American countries. The results indicated that countries with higher population density had lower numbers of deaths. Population in vulnerable employment and GDP showed a positive influence, while life expectancy did not appear to significantly affect the number of COVID-19 deaths. In addition, the influence of these variables on the number of confirmed cases of COVID-19 was analyzed. It can be concluded that the lack of resources can be a major burden for the vulnerable population in combating COVID-19 and that population density can ensure better designed institutions and quality infrastructure to achieve social distancing and, together with effective measures, lower death rates.

scholarly journals Population Density or Populations Size. Which Factor Determines Urban Traffic Congestion?

2021 ◽  
Vol 13 (8) ◽  
pp. 4280
Author(s):  
Yu Sang Chang ◽  
Sung Jun Jo ◽  
Yoo-Taek Lee ◽  
Yoonji Lee
Keyword(s):  
Population Density ◽  
Population Size ◽  
Traffic Congestion ◽  
Critical Role ◽  
Small Population ◽  
High Density ◽  
Urban Traffic ◽  
Contradictory Result ◽  
Low Density

A large number of articles have documented that as population density of cities increases, car use declines and public transit use rises. These articles had a significant impact of promoting high-density compact urban development to mitigate traffic congestion. Another approach followed by other researchers used the urban scaling model to indicate that traffic congestion increases as population size of cities increases, thus generating a possible contradictory result. Therefore, this study examines the role of both density and population size on traffic congestion in 164 global cities by the use of Stochastic Impacts by Regression on Population, Affluence and Technology model. We divide 164 cities into the two subgroups of 66 low density cities and 98 high density cities for analysis. The findings from the subgroups analysis indicated a clear-cut difference on the critical role of density in low-density cities and the exclusive role of population size in high-density cities. Furthermore, using threshold regression model, 164 cities are divided into the two regions of large and small population cities to determine population scale advantage of traffic congestion. Our findings highlight the importance of including analysis of subgroups based on density and/or population size in future studies of traffic congestion.

Mortality rate and confidence interval estimation in humanitarian emergencies

Disasters ◽  
2009 ◽  
Vol 34 (1) ◽  
pp. 164-175 ◽  
Author(s):  
Kevin Sullivan ◽  
S.M. Moazzem Hossain ◽  
Bradley A. Woodruff
Keyword(s):  
Mortality Rate ◽  
Confidence Interval ◽  
Interval Estimation ◽  
Humanitarian Emergencies ◽  
Confidence Interval Estimation

Hypercoagulability in Septic Shock Patients With Thrombocytopenia

2021 ◽  
pp. 088506662110241
Author(s):  
Sang-Min Kim ◽  
Sang-Il Kim ◽  
Gina Yu ◽  
June-Sung Kim ◽  
Seok In Hong ◽  
...  
Keyword(s):  
Emergency Department ◽  
Septic Shock ◽  
Multivariate Analysis ◽  
Platelet Count ◽  
Mortality Rate ◽  
Confidence Interval ◽  
Sofa Score ◽  
Odds Ratio ◽  
Fibrinogen Level ◽  
Limited Information

Background: Despite thrombocytopenia, patients with sepsis often experience hypercoagulability. However, limited information is available on the prevalence and effect of hypercoagulability in patients with sepsis-induced thrombocytopenia. Hence, we evaluated the prevalence of hypercoagulability and the association between hypercoagulability and clinical outcomes in septic shock patients with thrombocytopenia. Methods: Thromboelastography (TEG) was performed prospectively in 1294 patients with septic shock at the emergency department (ED) between January 2016 and December 2019. After excluding 405 patients who did not require resuscitation, refused enrollment, or developed septic shock after ED presentation, 889 patients were included. We defined thrombocytopenia as an admission platelet count lower than 150,000/µl according to SOFA score. We defined hypocoagulability and hypercoagulability as coagulation index (CI)< −3 and >3 on TEG, respectively. Results: Of the 889 septic shock patients (mean age 65.6 ± 12.7 years, 58.6% male), 473 (53.2%) had thrombocytopenia. Eighty-five (18.0%) patients showed hypercoagulable TEG and73 (15.4%) patients showed hypocoagulable TEG. The hypercoagulable TEG group had a significantly higher fibrinogen level and a lower 28-day mortality rate than the normal and hypocoagulable TEG groups (518 vs. 347 and 315 mg/dL; 7.1% vs. 21.1% and 36.8%, P < 0.01, respectively). In multivariate analysis, hypercoagulable TEG was associated with a decreased mortality rate (odds ratio: 0.395; 95% confidence interval, 0.162-0.965). Conclusions: In septic shock patients with thrombocytopenia, hypercoagulability was not uncommon. TEG can quickly distinguish the hypercoagulability and hypocoagulability states and serve as a valuable tool for evaluating the degree and risk in septic shock patients with thrombocytopenia.

scholarly journals Factors influencing the injury severity score and the probability of survival in patients who fell from height

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Masashi Fujii ◽  
Tsutomu Shirakawa ◽  
Mami Nakamura ◽  
Mineko Baba ◽  
Masahito Hitosugi
Keyword(s):  
Regression Analysis ◽  
Mortality Rate ◽  
Confidence Interval ◽  
Injury Severity Score ◽  
Survival Probability ◽  
Severity Score ◽  
Hospital Care ◽  
Injury Severity ◽  
Body Position ◽  
Fall Height

AbstractIn Japan, falls from height result in the second highest trauma mortality rate after traffic motor vehicle collisions and the highest trauma-related mortality rate amongst young people. We aimed to identify factors that worsen injury severity and lower survival probability of patients who fell from height and to contribute to the improvement of their prehospital and in-hospital care. This retrospective analysis retrieved hospital records of 179 patients aged ≥ 15 years who were transported to our hospital after a fall from height during April 2014–March 2020. On multiple regression analysis, fall height ≥ 5 m more significantly resulted in higher the injury severity score. Logistic regression analysis revealed that fall height ≥ 5 m with the reference of 2–3 m significantly resulted in lower the survival probability with odds ratio (95% confidence interval) of 0.10 (0.02–0.55). Using ‘feet-first’ as the reference body position, the odds ratios (95% confidence interval) of survival for those who impacted the surface on the lateral or dorsal regions were 0.11 (0.02–0.64) and 0.17 (0.03–0.99), respectively. Collecting information on the abovementioned factors at pre-hospitalisation may facilitate prompt diagnosis and treatment. These results may help improve prehospital and in-hospital care, avoiding preventable trauma deaths.

Abstract W P48: Marked Regional Variation in Acute Stroke Treatment in Medicare Beneficiaries

Stroke ◽  
2014 ◽  
Vol 45 (suppl_1) ◽  
Author(s):  
James F Burke ◽  
Lesli E Skolarus ◽  
Eric E Adelman ◽  
Phillip A Scott ◽  
William J Meurer
Keyword(s):  
Population Density ◽  
Acute Stroke ◽  
Census Data ◽  
Combined Therapy ◽  
Local Health ◽  
Median Income ◽  
Medicare Beneficiaries ◽  
Stroke Treatment ◽  
Acute Stroke Treatment ◽  
Iv Tpa

Objective: Regionalization of stroke care has occurred sporadically across the U.S, so determining realistic goal treatment rates for individual regions or the nation as a whole is challenging. Studies of a single hospital or region vary widely in estimates of eligibility for acute therapy and may have limited generalizability or biases. We hypothesized that the proportion of U.S. Medicare beneficiaries receiving acute stroke therapy varies by region. Treatment rates in high performing regions may represent realistic national goals and inform policy to increase treatment rates. Methods: All Medicare beneficiaries with a principal diagnosis of ischemic stroke (ICD-9 433.x1, 434.x1, 436) admitted through the emergency department were identified using MEDPAR files from 2007-2010. Receipt of IV tPA (DRG 559, MS-DRG 61-63, ICD-9 procedure code 99.10) or IA thrombolysis (CPT code 37184-6, 37201, 75896 via linked Medicare Carrier files) was determined. Patients were assigned to one of 3,436 Hospital Service Areas (HSA; local health care markets for hospital care) by zip code. Regional acute stroke treatment rates were calculated and the lowest and highest quintiles were compared. Multi-level logistic regression was used to adjust for individual demographics as well as regional population density, education, median income, and unemployment using linked census data. Model-based adjusted regional acute stroke treatment rates were estimated. Results: Of 916,232 stroke admissions 3.6% received IV tPA only and 0.6% received IA or combined therapy. Unadjusted treatment rates by region ranged from 0.8% (minimum) to 14.8% (maximum). Regional rates ranged from 1.7% (quintile 1) to 5.4% (quintile 5). Regions with higher education, population density and income had higher treatment rates (p <= 0.001). After adjustment, regional differences were attenuated slightly _ 1.9% (quintile 1) to 5.1% (quintile 5). Conclusions: Marked variation exists in acute stroke treatment rates by region, even after adjusting for patient and regional characteristics, supporting the perception that a major opportunity exists to improve acute stroke treatment within many HSAs.

Survival and risk factors for premature mortality in patients with parkinson’s disease

2021 ◽  
Vol LIII (3) ◽  
pp. 5-10
Author(s):  
Fatima N. Aliyeva
Keyword(s):  
Risk Factors ◽  
Myocardial Infarction ◽  
Survival Rate ◽  
Confidence Interval ◽  
Causes Of Death ◽  
Age Of Onset ◽  
Premature Mortality ◽  
Parkinsons Disease ◽  
Cerebrovascular Accidents ◽  
Relationship Of

Aim. To assess the survival rate and risk factors for premature mortality in patients with Parkinsons disease in Baku. Material and research methods. The observation was carried out retrospectively, information was collected on all patients (110 patients) in whom the diagnosis of Parkinsons disease was first established in 20092010. These patients are provided with drugs free of charge, which made it possible to provide them with diagnostic monitoring in polyclinics. During 20102019, 94 patients with a diagnosis of Parkinsons disease died. All medical death certificates were selected for analysis. The diagnoses in column a of these documents were accepted as direct causes of death, regardless of the presence or absence of a causal relationship of these diagnoses with Parkinsons disease. Therefore, the reported cases were interpreted not as death due to Parkinsons disease, but as the death of a patient diagnosed with Parkinsons disease. Results. Noteworthy is the prevalence of men (72.7%) and people without dementia (70.9%) among patients. Within 10 years, 85.5% of patients died from various causes. The immediate causes of death were acute cerebrovascular accidents (36.2%) and acute myocardial infarction (24.5%). The annual survival rate of the observed patients was high (94%; 95% confidence interval 51100%). The five-year survival rate is 76% (95% confidence interval 42100%). Conclusions. (1) The survival rate of patients with Parkinsons disease within 10 years after the onset of signs ranges from 0.94 to 0.41 (five-year survival rate is 0.76). (2) The immediate causes of mortality in patients with Parkinsons disease were cerebrovascular accidents (36.2%), myocardial infarction (24.5%), pulmonary embolism (11.7%), pneumonia (10.6%) and others (17%). (3) The effect of age of onset and signs of Parkinsons disease, gender, comorbidity and dementia on survival is statistically significant (p 0.05).

Adjustment of fecundity and sex ratio in response to social environments in a haplodiploid mite

2022 ◽  
Author(s):  
Nuwan Weerawansha ◽  
Qiao Wang ◽  
Xiong Zhao He
Keyword(s):  
Population Density ◽  
Sex Ratio ◽  
Population Size ◽  
Local Population ◽  
Female Offspring ◽  
Social Environments ◽  
Positive Interaction ◽  
Offspring Sex Ratio ◽  
Offspring Sex ◽  
Large Populations

Animals can adjust reproductive strategies in favour of corporation or competition in response to local population size and density, the two key factors of social environments. However, previous studies usually focus on either population size or density but ignore their interactions. Using a haplodiploid spider mite, Tetranychus ludeni Zacher, we carried out a factorial experiment in the laboratory to examine how ovipositing females adjust their fecundity and offspring sex ratio during their early reproductive life under various population size and density. We reveal that females laid significantly more eggs with increasing population size and significantly fewer eggs with increasing population density. This suggests that large populations favour cooperation between individuals and dense populations increase competition. We demonstrate a significant negative interaction of population size and density that resulted in significantly fewer eggs laid in the large and dense populations. Furthermore, we show that females significantly skewed the offspring sex ratio towards female-biased in small populations to reduce the local mate competition among their sons. However, population density incurred no significant impact on offspring sex ratio, while the significant positive interaction of population size and density significantly increased the proportion of female offspring in the large and dense populations, which will minimise food or space competition as females usually disperse after mating at crowded conditions. These results also suggest that population density affecting sex allocation in T. ludeni is intercorrelated with population size. This study provides evidence that animals can manipulate their reproductive output and adjust offspring sex ratio in response to various social environments, and the interactions of different socio-environmental factors may play significant roles.

Annual Summary of Vital Statistics—1991

PEDIATRICS ◽  
1992 ◽  
Vol 90 (6) ◽  
pp. 835-845
Author(s):  
Myron E. Wegman
Keyword(s):  
Mortality Rate ◽  
Infant Mortality ◽  
Divorce Rate ◽  
The United States ◽  
Mortality Rates ◽  
Vital Statistics ◽  
Natural Increase ◽  
Infant Mortality Rate ◽  
Marriage Rates ◽  
Final Data

Between 1990 and 1991, provisional data show that the infant mortality rate decreased again, from 9.1 to 8.9, a decline of 2% in contrast to the 7% decline from 1989 to 1990. Birth, death, and marriage rates were also lower, but the divorce rate stayed at about the same level as in 1990. Natural increase in the population, excess of births over deaths, was less than 2 million, 4% less than the increase in 1990. Detailed analysis of changes and of the influence of factors like age and race requires final data; at the time of preparation of this report final birth and death data were available only through 1989. For a variety of reasons, including staff shortages and delays in receipt of state data by the National Center for Health Statistics (NCHS), final data for 1990, which would usually have been available in late August 1992, are not expected before early 1993. Unlike recent years, the decline in the infant mortality rate was only in the neonatal component, which decreased 3.6%. Postneonatal mortality increased, for the first time in many years, by 1.6%, suggesting that the decline in the total is related more to therapeutic advances in neonatology than to improved prevention. Internationally, newly independent Latvia was added to the list of countries with rates less than 15, but Costa Rica was deleted. With the reunification of Germany the list shrank to 28 and, by default, the United States moved up from 21st to 20th. Some 12.5 million births, less than 9% of the world total, took place in countries with under-5 mortality rates of less than 20 per 1000. At the other end of the scale, 42% of the world's births occurred in countries with under-5 mortality rates of more than 140 per 1000. The median under-5 mortality rate for those countries in 1990 was 189 per 1000, meaning that almost 20% of the infants born alive in these countries died before their fifth birthday.

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