Study population and sample
Methods Study Design: Descriptive study Study Population: Study sample includes all the cases of multiple myeloma received in the Department
... Background: Multiple myeloma is a malignant plasma cell dyscrasia which is characterised by bone marrow plasmacytosis. Multiple myeloma causes 1 % of all cancer deaths in western population. Objectives 1. To ...
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Sample Selection Model with Bootstrap (BPSSM) Approach: Case Study of the Malaysian Population and Family Survey
... random sample taken into account for the observation of the process of entering the sample and deter- mine a probability sample of the ...random sample and the estimated relation of the ...
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Importance and determinants of Gleason score undergrading on biopsy sample of prostate cancer in a population-based study
... this study, the variables of interest were age, socioeco- nomic status based on the patient’s last occupation (high, middle, low, unknown), sector of care of the first treat- ment (public, private), PSA value at ...
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Prediction of finite population totals based on the sample distribution
... ˆ 1 Y , see above), but based on the simple regression model (only the first power of x). The MSEs of all the predictors considered in this study have been estimated by use of the two-step procedure described in ...
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Sample Attrition in the Presence of Population Attrition
... the sample has a longitudinal ...Panel Study of Income Dynamics (PSID) or the National Longitudinal Survey of Youth 1979 (NLSY79), because tracking interviewees is less ...costly. Sample sizes matter ...
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Association of adiponectin with hepatic steatosis: a study of 1,349 subjects in a random population sample
... the study include the fact that liver biopsies were not performed to confirm the sonographic diagnosis of NAFLD and data on alcohol and nicotine use, as well as physical activity, were self-reported by ...
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A Genome-Wide Association Study of Attention Function in a Population-Based Sample of Children
... Genetic variants were filtered using the same criteria as in the discovery sample. The final repli- cation sample included 546 subjects. Statistical Analysis We used a two-sample t-test to check for ...
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A Panoramic Study of the Dissimilar Morphology of Mandibular Condyle in a Sample of Population in Erbil City
... present study aimed to evaluate variation in both size and shape of mandibular condyle in a sample of people in Erbil city as seen on OPGs, which helps to determine popular variants and their relation to ...
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Point Estimation. Sample: A part or a finite subset of population is called a sample and the number of units in the sample is called the sample size.
... Estimation Population: In Statistics, population is an aggregate of objects, animate or inanimate, under ...The population may be finite or infinite. Sample: A part or a finite subset of ...
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Plate size and food consumption: a pre-registered experimental study in a general population sample
... the study in laboratory conditions has advantages in controlling how participants are ex- posed to the intervention and reliably measuring their responses, giving high internal validity, there are inher- ent ...
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Minimum sample sizes for population genomics: an empirical study from an Amazonian plant species
... the population genomic era, which is revolu- tionizing the field of evolutionary ...in population genetic studies, phylogeography and conser- vation biology, especially in developing countries where funding ...
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Association study of the FTO gene polymorphisms with the risk of pulmonary tuberculosis in a sample of Iranian population
... present study was to fi nd out the impact of fat mass and obesity-associated (FTO) gene on risk of pulmonary tuberculosis (PTB) in a sample of Iranian ...case-control study was carried out on a total ...
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Mental disorders in a population sample with musculoskeletal disorders
... As the data presented here were collected in a cross-sec- tional study, conclusions about causal effects cannot be directly supported. An elevated prevalence of mental dis- orders in people with musculoskeletal ...
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Running Descriptive Statistics: Sample and Population Values
... use casenum d6 d27 married d1 d3 dpi using $lu04h If you need help determining which variables are categorical, go to the LIS web site and click on Luxembourg Income Study (LIS) Luxembourg 2004 (column: ...
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Main pulmonary artery diameter assessment in a large sample of Indian population: a MDCT based study
... this study to establish the normal range of main pulmonary artery diameter in persons with normal pulmonary arterial pressures and to evaluate whether any significant gender difference exists in normal pulmonary ...
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The prevalence of polycystic ovary syndrome in a community sample of Iranian population: Iranian PCOS prevalence study
... Methods Study subjects and the sampling method Sample size was calculated based on these parameters: P = 0.085 [5], a = 0.95, d = 0.025, cluster design effect = 2 and a non response rate = 0.15. A ...
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Work life of persons with asthma, rhinitis, and COPD: A study using a national, population-based sample
... Analysis We began by tabulating the work history and current employment status of those with any form of respiratory disease, those with selected non-respiratory conditions, and those with no chronic conditions. In the ...
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Circadian rhythm of cortisol and neighborhood characteristics in a population-based sample: The Multi-Ethnic Study of Atherosclerosis
... One study recently reported alterations in cortisol rhythms in a small sample of children who developed post traumatic stress disorder as a consequence of exposure to community violence (Suglia et ...large ...
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Scleroderma Prevalence: Demographic Variations in a Population-Based Sample
... our study was to estimate SSc prevalence using population-based adminis- trative data, and to assess the sensitivity of various case ascertainment ...
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Oral health status of a sample of disabled population in Iran
... This disagreement might be related to age of survey subjects of those studies. Poor gingival health and presence of plaque in 96% of subjects could be an alarm for more oral health problem among disadvantage people such ...
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