Results 271 to 280 of about 10,120,182 (310)
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Population based cohort study of injuries
Journal of Clinical Epidemiology, 1996A population-based cohort study was done to estimate the incidence of different types of injuries and to evaluate certain risk factors in an urban slum; 4333 slum dwellers in Madras city in India were randomly selected by cluster sampling, of whom 1.7 per cent were lost during the 12 months of follow up.
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Population-Based Association Studies
2009Population-based association studies have been playing a major role in mapping genes affected complex diseases. The advantages of population based association studies include greater efficiency in sample recruitment and more power than family-based studies.
Xiaofeng Zhu, ShuangLin Zhang
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Population-based Cohort Studies
AAP Grand Rounds, 2015Dr Neuspiel has disclosed no financial relationship relevant to this commentary. This commentary does not contain a discussion of an unapproved/investigative use of a commercial product/device. This issue includes reviews of 2 population-based cohort studies (PBCS).1,2 In this type of study design, a defined population (or sample) is enrolled and ...
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Childhood Periodic Syndromes: A Population-Based Study
Pediatric Neurology, 2010The objective of the present study was to estimate the prevalence and relative risk of symptoms suggestive of childhood periodic syndrome in migraine, migraine subtypes, and tension-type headache, relative to control subjects. The target population was all children (age 5-12 years) enrolled in public elementary schools in one Brazilian city (n = 2173).
M. ARRUDA +4 more
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Studying telomeres in a longitudinal population based study
Frontiers in Bioscience, 2008Telomeres, the termini of linear chromosomes, consist of large but variable numbers of DNA oligomer repeats embedded in a nucleoprotein complex. In humans, telomere length (TL) is largely genetically determined but also featured by an age dependent attrition. TL has therefore been put forward as a marker for biological aging and was also reported to be
Tim, De Meyer +4 more
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2007
Most of the studies this monograph is concerned with—hospital-based studies of pregnant diabetic women—were conducted in special medical facilities, including diabetes clinics, i.e. facilities whose patients may have needed special care, and who therefore may not have been a true cross-section of all pregnant diabetic women in that time and place.
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Most of the studies this monograph is concerned with—hospital-based studies of pregnant diabetic women—were conducted in special medical facilities, including diabetes clinics, i.e. facilities whose patients may have needed special care, and who therefore may not have been a true cross-section of all pregnant diabetic women in that time and place.
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A population‐based retrospective study
Acta Ophthalmologica Scandinavica, 1997We have investigated the incidence of retinopathy of prematurity (ROP) among premature infants with birth weight less than 1500 g in two Norwegian counties during the years 1989–1993. Two hundred and seven out of 244 such infants (84.8%) were examined at the neonatal intensive care unit; 66 of those examined (31.9%) had a birth weight below 1000 g. ROP
Olav H. Haugen, Trond Markestad
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A population-based study of glioblastoma multiforme
International Journal of Radiation Oncology*Biology*Physics, 2001To describe (1) the use of surgery and radiotherapy (RT) in the treatment of patients with glioblastoma (GBM) in Ontario, (2) survival, and (3) proportion of survival time spent in the hospital after diagnosis.We performed a population-based cohort study of all Ontario Cancer Registry (OCR) cases of GBM diagnosed between 1982 and 1994.
L, Paszat +5 more
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Population‐based study of paediatric head injury
Journal of Paediatrics and Child Health, 2007Aim: There is a paucity of population‐based studies regarding the spectrum of paediatric head injury from mild through serious to fatal paediatric head injury. The aims of the present study were to determine the incidence, demographics and outcome of significant head injury in a state‐wide population of children aged 0–15 years. A secondary aim was to
Biswadev, Mitra +2 more
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Gastrocnemius tightness: A population based observational study
Foot and Ankle Surgery, 2019Gastrocnemius tightness is believed to be associated with multiple musculoskeletal pathologies such as back pain, plantar fasciitis and metatarsalgia. Although surgical treatment of gastrocnemius tightness is gaining popularity the objective definition of a gastrocnemius contracture has not been determined.
Oliver Chan +6 more
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