Seasonal variation by race in the male to female ratio at birth in the United States

Author(s):  
V Grech ◽  
T Borg
2021 ◽  
Vol 21 (2) ◽  
pp. 782-787
Author(s):  
Bernard Natukunda ◽  
Robert Wagubi ◽  
Ivan Taremwa ◽  
Benson Okongo ◽  
Yona Mbalibulha ◽  
...  

Background: The WHO recommends that pre-transfusion testing should include ABO/RhD grouping followed by screen- ing for red blood cell (RBC) alloantibodies using the indirect antiglobulin test (IAT). However, in Uganda, current practice does not include RBC alloantibody screening. Objective: To assess the utility of ‘home-made’ reagent RBCs in alloantibody screening. Materials and methods: In a laboratory-based study, group O RhD positive volunteer donors were recruited and their extended phenotype performed for C, c, E, e, K, Fya, Fyb Jkb, S and s antigens. These ‘home-made’ reagent RBCs were preserved using Alsever’s solution and alloantibody detection tests performed. For quality assurance, repeat alloantibody screening of patients’ samples was done at Bloodworks Northwest Laboratory in Seattle, United States. Results: A total of 36 group O RhD positive individuals were recruited as reagent RBC donors (median age, 25 years; range, 21 – 58 years; male-to-female ratio, 1.6:1). Out of the 311 IATs performed, 32 (10.3%) were positive. Confirmatory IAT testing in the United States was in agreement with the findings in Uganda. Conclusion: Use of ‘home-made’ reagent RBCs during pre-transfusion testing in Uganda is feasible. We recommend the introduction of pre-transfusion IAT alloantibody screening in Uganda using ‘home-made’ reagent RBCs to improve trans- fusion safety. Keywords: Blood transfusion; ‘Home-made’ reagent RBCs; Pre-transfusion testing; RBC alloantibody screening; Uganda.


Author(s):  
Jonathan J. Danaraj ◽  
Augustine S. Lee

Asthma is a common condition that affects an estimated 24 million children and adults in the United States (prevalence, 8%-10%). Globally, over 300 million people are affected and the number is expected to increase. The age distribution is bimodal, but in most patients, asthma is diagnosed before age 18 years (male to female ratio, 2:1 in children; 1:1 in adults). Susceptibility to asthma is multifactorial with both genetic and environmental factors. The strongest risk factor is atopy, a sensitivity to the development of immunoglobulin E (IgE) to specific allergens. A person with atopy is 3- to 4-fold more likely to have asthma than a person without atopy. Other risk factors include birth weight, prematurity, tobacco use (including secondary exposure), and obesity.


1979 ◽  
Vol 1 (6) ◽  
pp. 179-182
Author(s):  
Andrea Marks

INCIDENCE AND EPIDEMIOLOGY Suicide is the third leading cause of death among adolescents, and yet for each fatality it is estimated that between 50 to 200 adolescents survive a suicide attempt. Most of the survivors have taken overdoses of drugs commonly found at home. The rate of suicide attempts that do not result in death peaks in adolescence. The male to female ratio is 1/2 and self-poisoning is usually the method. In contrast, suicide fatality rates generally increase with age. Overall, suicide is the ninth leading cause of death in the United States; the male to female ratio is 3/1; and the method used most often is fire-arms. Clearly, suicidal behavior by adolescents is a major health problem in the United States today. The usual challenge for the pediatrician is first managing an acute drug overdose and then facilitating subsequent psychosocial evaluation of the troubled youth. The key challenge is identification of disturbed individuals and their families prior to any suicidal acts. DIAGNOSIS AND PHYSIOLOGIC MANAGEMENT Most young people who present with a suicidal drug overdose are not comatose; many are asymptomatic. In such situations a careful history may be obtained from the patient to determine: the events surrounding the ingestion, which drug or drugs were taken, how much, and when the ingestion occurred.


2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e13070-e13070 ◽  
Author(s):  
Athira Unnikrishnan ◽  
Abdullah Mohammad Khan ◽  
Preeti Narayan ◽  
Maxim Norkin

e13070 Background: Several studies from India and Pakistan have reported a median younger age of MM diagnosis as compared that of western population. The exact reason for the younger age of myeloma diagnosis in this population is not well understood. Methods: We used the SEER database to analyze age of MM diagnosis in subjects of Indian and Pakistani descent in the United States and compared it to the published data of MM diagnosis in India and Pakistan. Patients with ICD—O-3 morphologic codes (9732/3) and race code 15/16/17 identifying Asian Indians and Pakistanis were identified in the SEER registry data (1973-2013). Data on year of diagnosis, race, sex and age were collected. Four published retrospective studies involving local Indians or Pakistanis patients identified using PUBMED. Average Median age and male to female ratio (M: F) was calculated in both groups and compared for any difference Results: 146 myeloma patients of either Indian or Pakistani descent were identified from the SEER registry. The median age of diagnosis was 67 years with a mean age of 66.1 years. The male to female ratio was 1.41. The retrospective studies analyzed had a total of 495 myeloma patients with median age at diagnosis of 56 years and male to female ratio of 2.01, suggesting that multiple myeloma presented almost a decade earlier in native Indian and Pakistani patients compared to their US counter parts. Conclusions: Subjects in India and Pakistan were significantly younger at the time of MM diagnosis as compared to subjects of Indian and Pakistani descent diagnosed with MM in the US suggesting an environmental factor involved with myeloma genesis in subjects living in India and Pakistan. [Table: see text]


Author(s):  
Belén Mora Garijo ◽  
Jonathan E. Katz ◽  
Aubrey Greer ◽  
Mia Gonzalgo ◽  
Alejandro García López ◽  
...  

AbstractSeveral diseases associated with erectile dysfunction (ED), such as type 2 diabetes mellitus (T2DM) and coronary artery disease (CAD), are known to have seasonal variation, with increased incidence during winter months. However, no literature exists on whether this chronological-seasonal evolution is also present within ED symptomatology. We hypothesized ED would follow the seasonal pattern of its lifestyle-influenced comorbid conditions and exhibit increased incidence during winter months. In order to investigate the seasonal variation of ED in the United States between 2009 and 2019, Internet search query data were obtained using Google Trends. Normalized search volume was determined during the winter and summer seasons for ED, other diseases known to be significantly associated with ED (T2DM and CAD), kidney stones (positive control), and prostate cancer (negative control). There were significantly more internet search queries for ED during the winter than during the summer (p = 0.001). CAD and T2DM also had significantly increased search volume during winter months compared to summer months (p < 0.001 and p = 0.011, respectively). By contrast, searches for kidney stones were significantly increased in the summer than in the winter (p < 0.001). There was no significant seasonal variation in the relative search frequency for prostate cancer (p = 0.75). In conclusion, Google Trends internet search data across a ten-year period in the United States suggested a seasonal variation in ED, which implies an increase in ED during winter. This novel finding in ED epidemiology may help increase awareness of ED’s associated lifestyle risk factors, which may facilitate early medical evaluation and treatment for those at risk of both ED and cardiovascular disease.


2006 ◽  
Vol 163 (suppl_11) ◽  
pp. S102-S102
Author(s):  
S Hoffman ◽  
J M Propp ◽  
B J McCarthy ◽  
R T Campbell ◽  
F G Davis

2017 ◽  
Vol 37 (suppl_1) ◽  
Author(s):  
Prateeth Pati ◽  
Adnan Khalif ◽  
Balaji Shanmugam

Geographic Distribution of Acute Ischemic Stroke admissions in the United States Background: The geographic distribution of acute ischemic stroke in the United States has not been evaluated, unlike the association shown with acute MI by Patel et al., (International Journal of Cardiology, 2014, 172.3). Our study looked at the geographic distribution and seasonal variation of acute ischemic stroke using the National Inpatient Sample (NIS) from 2011 - 2013. Methods: Adult admissions with a primary diagnosis of acute ischemic stroke were extracted from the NIS database using the ICD 9 code 434.91 from 2011 - 2013. Admission information included hospital region (West, South, Mid-Atlantic and Northwest) and seasonal admission rates (Winter=December-February, Spring=March-May, Summer=June-August, Fall=September-November). A Chi square analysis was used to analyze differences in categorical variables (we assumed a normal distribution of 25% per region). Results: A total of 120714 admissions were identified (weighted = 603361). There were more cases of acute ischemic stroke in the South (41.52 percent of admissions) compared to the mid Atlantic (21.4), Northwest (17.98) or West (19.08) with a p value < 0.0001. Each year between 2011 to 2013 showed a higher rate of admissions for acute ischemic stroke in the South. Taking the years into summation showed no statistically significant difference in seasonal variation in any of the regions. Conclusion: Our study shows a higher number of admissions for acute ischemic stroke in the South, but failed to show any seasonal differences. However, there are several studies that suggest a preponderance of admissions for acute myocardial infarction during the winter season, Spencer et al., (Journal of the American College of Cardiology, 1998, 31.2.) Further studies are needed to identify why there is a significant regional difference in the admission rates for acute ischemic stroke.


2021 ◽  
Vol 23 (Supplement_6) ◽  
pp. vi87-vi87
Author(s):  
Gi-Ming Wang ◽  
Gino Cioffi ◽  
Nirav Patil ◽  
Kristin Waite ◽  
Robert Lanese ◽  
...  

Abstract BACKGROUND Gliomas are the most common type of malignant brain and other CNS tumors, accounting for 80.8% of malignant primary brain and CNS tumors. They cause significant morbidity and mortality. This study investigates the intersection between age and sex to better understand variation of incidence and survival for glioma in the United States. METHODS Incidence data from 2000-2017 were obtained from the Central Crain Tumor Registry of the United States, which obtains data from the CDC’s National Program of Cancer Registries and NCI’s Surveillance Epidemiology and End Results Program (SEER), and survival data from the CDC’s NPCR Registries. Age-adjusted incidence rates and rate ratios per 100,000 were generated to compare male-to-female incidence by age group. Cox proportional hazard models were performed by age group, generating hazard ratios to assess male-to-female survival differences. RESULTS Overall, glioma incidence was higher in males. Male-to-female incidence was lowest in ages 0-9 years (IRR: 1.04, 95% CI:1.01 - 1.07, p=0.003), increasing with age, peaking at 50-59 years (IRR:1.56, 95% CI: 1.53 - 1.59, p&lt; 0.001). Females had worse survival for ages 0-9 (HR:0.93, 95% CI:0.87-0.99), though male survival was worse for all other age groups, with the difference highest in those 20-29 years (HR:1.36, 95% CI:1.28-1.44). Incidence and survival differences by age and sex also varied by histological subtype of glioma. CONCLUSION To better understand the variation in glioma incidence and survival, investigating the intersection of age and sex is key. The current work shows that the combined impact of these variables is dependent on glioma subtype. These results contribute to the growing understanding of sex and age differences that impact cancer incidence and survival.


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