نتایج جستجو برای: epidemiological indices
تعداد نتایج: 151146 فیلتر نتایج به سال:
Male osteoporosis is a health problem which deserves more attention as nearly 30% of osteoporotic fractures happen in men aged 50 years and above. Although men do not experience an accelerated bone loss phase and testosterone deficiency is not a universal characteristic for aged men, osteoporosis due to age-related testosterone deficiency does have a negative impact on bone health status of men...
PURPOSE Seroepidemiological studies on the prevalence of Hepatitis C virus (HCV) in India have been hampered by reluctance of subjects to provide blood samples for testing. We evaluated the use of saliva as an alternate specimen to blood for the detection of antibodies to HCV. METHODS Chronic liver disease (CLD) patients attending the liver clinic were recruited for this study. A saliva and p...
Khosla and Lowe (1967) have drawn attention to the usefulness of a reliable index of obesity derived from height and weight. From their analysis of data on 5,000 British men aged 15 to 64 years, they decided that the best index was weight divided by the square of height, thus confirming the conclusions of B0e, Humerfelt, and Wedervang (1957) and of Billewicz, Kemsley and Thomson (1962). Their c...
BACKGROUND Obesity and arterial hypertension are a serious risk factor for insulin resistance patients leading to diabetes and other disorders. Obesity is one of the most common nutritional problems in developed countries. Actually the incidence of obesity is increasing considerably, obesity is emerging in alarming rates between the last 10 years. Obesity and hypertension beginning in childhood...
OBJECTIVES To describe a modification of the index of clinical consequences of untreated dental caries [pulpal involvement, ulceration, fistula and abscess (PUFA/pufa) index] to pulpal involvement-roots-sepsis (PRS/prs) and to compare the two indices using the example of caries in primary molar teeth in children aged 6-8 years. SUBJECTS AND METHODS The study sample included 542 children aged ...
The objective of the present study was to compare the percentage of body fat (%BF), BMI, and central fat distribution anthropometric measures as indices of obesity and to assess the respective associations with cardiovascular risk factors in young female students. Subjects were 220 healthy Greek female students. Dual-energy X-ray absorptiometry was used to estimate %BF, anthropometric measureme...
A large number of positive scientific evidences confirmed that central obesity was highly associated with CVD, diabetes and hypertension. Studies in different countries and ethnic groups demonstrated that waist circumferences (WC), waisthip ratio (WHR) and waist circumferenceheight ratio (WHtR) (or waist circumferencestature ratio WSR) performed as strong predictors when being added to body ...
OBJECTIVE To assess the validity of a questionnaire for evaluating the physical activity of young children as reported by parents. METHODS Twenty-one male 1st grade elementary school children were the study subjects. The questionnaire contained 3 questions relating to the physical activity of children and was completed by their parents. These questions were: preference for physical activity: ...
Ascertainment of lifetime occupational exposures in an epidemiological study of chronic obstructive pulmonary disease (COPD) is important in order to investigate its effect on the disease and develop prevention strategies. The aim of our paper is to describe and evaluate a methodology used to assign lifetime occupational exposure to participants in a case-control study of COPD where lifetime oc...
BACKGROUND Vertigo and dizziness are symptoms which are reported frequently in clinical practice. We aimed to develop diagnostic indices for four prevalent vertiginous diseases: benign paroxysmal positional vertigo (BPPV), Menière's disease (MD), vestibular migraine (VM), and phobic postural vertigo (PPV). METHODS Based on a detailed questionnaire handed out to consecutive patients presenting...
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