標(biāo)題: Titlebook: Epidemiological Practices in Research on Small Effects; Hans Hoffmeister,Moyses Szklo,Michael Thamm Conference proceedings 1998 Springer-V [打印本頁] 作者: infection 時(shí)間: 2025-3-21 17:56
書目名稱Epidemiological Practices in Research on Small Effects影響因子(影響力)
書目名稱Epidemiological Practices in Research on Small Effects影響因子(影響力)學(xué)科排名
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書目名稱Epidemiological Practices in Research on Small Effects網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Epidemiological Practices in Research on Small Effects被引頻次
書目名稱Epidemiological Practices in Research on Small Effects被引頻次學(xué)科排名
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書目名稱Epidemiological Practices in Research on Small Effects年度引用學(xué)科排名
書目名稱Epidemiological Practices in Research on Small Effects讀者反饋
書目名稱Epidemiological Practices in Research on Small Effects讀者反饋學(xué)科排名
作者: LUMEN 時(shí)間: 2025-3-21 22:25
Obstacles in evaluating small effects,or example, to be able to demonstrate a relative risk of 5 in the context of a case-control study in which the prevalence of exposure is about five per cent, only seventy cases and seventy controls are needed. On the other hand, if the relative risk one is interested in is 1.1, about 35,000 cases an作者: eucalyptus 時(shí)間: 2025-3-22 04:04 作者: 享樂主義者 時(shí)間: 2025-3-22 06:47 作者: BLUSH 時(shí)間: 2025-3-22 11:28
Proposals and recommendations concerning small effects in case-control and cohort studies,e, an absolute estimate or absolute statement on risk ratio levels in relation to causal inference cannot be made. I cannot share his point. It does not seem logical to me. The existence of false negative and false positive results in low risk associations does not prove that there is no formal rela作者: blithe 時(shí)間: 2025-3-22 16:54 作者: blithe 時(shí)間: 2025-3-22 18:18 作者: 婚姻生活 時(shí)間: 2025-3-22 22:33 作者: faucet 時(shí)間: 2025-3-23 05:26
Research strategies for assessing epidemiolgic associations, in relation to the distribution and merom effects that are small by virtue of study design and execution. In the former situation there is little variation in disease risk across the exposure levels that are within the range of common human experience and it follows that only a small fraction of current human disease burden can be attri作者: 輕率的你 時(shí)間: 2025-3-23 07:42 作者: obviate 時(shí)間: 2025-3-23 10:29
Small effects: Subgroup analysis and interaction,subgroups. Also in situations where the effect in the entire study population, sometimes referred to as the main effect, is absent or small, is it common practice to continue with subgroup analysis. One rationale for looking at effects in subgroups is that there may be segments of the population in 作者: instate 時(shí)間: 2025-3-23 14:12 作者: scotoma 時(shí)間: 2025-3-23 20:55
Is meta-analysis a valid approach to the evaluation of small effects?, also been applied to the quantitative description of how an effect and its determinants may vary among studies. That aspect of meta-analysis is not considered here). Meta-analysis was introduced into medical research about a decade ago. There has been an explosive growth in its use, particularly in作者: GREG 時(shí)間: 2025-3-23 22:44
Commentary on meta-analysis,ysis survives in epidemiology. I think his critique represents a necessary corrective action that we see in the development of any new method. Perhaps I should spare you my first thousand words and summarise his talk with a picture. I believe what he was essentially saying was that meta-analysis of 作者: sleep-spindles 時(shí)間: 2025-3-24 04:40 作者: onlooker 時(shí)間: 2025-3-24 07:34
Publication bias,rested in data collection issues in relation to systematic reviews and meta-analysis. A meta-analysis is an observational study, where the study population comprises of studies and not people. As such, it has many of the same problems that any observational study has, even when the studies included 作者: 爭吵加 時(shí)間: 2025-3-24 12:06 作者: Myocyte 時(shí)間: 2025-3-24 15:33 作者: paleolithic 時(shí)間: 2025-3-24 21:26 作者: 含沙射影 時(shí)間: 2025-3-25 02:18 作者: 等級(jí)的上升 時(shí)間: 2025-3-25 06:24 作者: FLIT 時(shí)間: 2025-3-25 09:39 作者: 包租車船 時(shí)間: 2025-3-25 12:48
http://image.papertrans.cn/e/image/313156.jpg作者: chastise 時(shí)間: 2025-3-25 18:25 作者: Generosity 時(shí)間: 2025-3-25 20:45
Definitionen. Allgemeine Literaturangabenor example, to be able to demonstrate a relative risk of 5 in the context of a case-control study in which the prevalence of exposure is about five per cent, only seventy cases and seventy controls are needed. On the other hand, if the relative risk one is interested in is 1.1, about 35,000 cases an作者: DEFER 時(shí)間: 2025-3-26 00:29
Handbuch der Physik‘ Encyclopedia of Physicsave entered this field. Yet, I firmly believe that, in the realm of all sciences that are part of the many disciplines of medicine, epidemiology is the key. Having studied demographics, lifestyles, and disease patterns for more than four decades, I firmly believe that most of the chronic diseases of作者: MAG 時(shí)間: 2025-3-26 08:13
R. W. Leonard,A. Barone,B. E. Noltingkdemiology is left to studying weak associations. The big question is: Is that statement true? I would like to give a few of examples of weak associations. But before that, I would like to question the thesis that we are only studying weak associations. Within a couple of weeks we will have a publica作者: Uncultured 時(shí)間: 2025-3-26 11:37 作者: Adulterate 時(shí)間: 2025-3-26 14:26
https://doi.org/10.1007/978-3-7091-9032-6o call it in the old days, regression towards the mean. I met this as an analytical problem in 1967, when J. Cornfield and W. Haenszel gave a course in cancer epidemiology in Oslo. Among their exercises was one on the relationship between serum cholesterol and coronary heart disease. The simplest wa作者: opalescence 時(shí)間: 2025-3-26 19:32
https://doi.org/10.1007/978-3-0348-5852-6d for decision making. Within such a process of decision making, it is much easier to make inferences when dealing with large effects. Such large associations may be identified by any professional with some rational judgement. One has to remember the number of times where the initial association bet作者: LARK 時(shí)間: 2025-3-26 23:39
Schallemission und Schallfelder in Luft,es. The strong risk factors for disease such as smoking or asbestos and lung cancer have been identified through epidemiology and these situations may be less common in the future. This does not mean that some exposures today may not be causing high risks in the population. These factors are yet to 作者: 無王時(shí)期, 時(shí)間: 2025-3-27 02:43 作者: 無目標(biāo) 時(shí)間: 2025-3-27 05:52
https://doi.org/10.1007/978-3-658-09298-6st fifteen years ago and a second some ten years ago. The topic I had to discuss ten years ago had almost the same title as today’s talk, “Biases and Weak Associations”. So I went back to my previous publication and saw that I could say just about the same things now. But I will give that as a refer作者: 同時(shí)發(fā)生 時(shí)間: 2025-3-27 12:45 作者: ROOF 時(shí)間: 2025-3-27 14:06 作者: 廣口瓶 時(shí)間: 2025-3-27 19:58
https://doi.org/10.1007/978-3-662-39646-9 also been applied to the quantitative description of how an effect and its determinants may vary among studies. That aspect of meta-analysis is not considered here). Meta-analysis was introduced into medical research about a decade ago. There has been an explosive growth in its use, particularly in作者: 輕快帶來危險(xiǎn) 時(shí)間: 2025-3-28 00:59 作者: atopic-rhinitis 時(shí)間: 2025-3-28 02:20
https://doi.org/10.1007/978-3-642-94829-9cept the conclusions that meta-analysis cannot be useful. basically. To briefly state my point of view: I am a great believer in the scientific method, as I am sure all of you are too. To me, the essence of the scientific method is its truth-seeing objective, and that encompasses the ability to repr作者: 彩色 時(shí)間: 2025-3-28 07:41
,Die gef??chirurgischen Grundtechniken,rested in data collection issues in relation to systematic reviews and meta-analysis. A meta-analysis is an observational study, where the study population comprises of studies and not people. As such, it has many of the same problems that any observational study has, even when the studies included 作者: Antarctic 時(shí)間: 2025-3-28 12:28
978-3-642-80465-6Springer-Verlag Berlin Heidelberg 1998作者: 小鹿 時(shí)間: 2025-3-28 17:46
https://doi.org/10.1007/978-3-642-80463-2Radiologieinformationssystem; case-control; cohort studies; epidemiological; epidemiology作者: Cholesterol 時(shí)間: 2025-3-28 20:05 作者: 偶像 時(shí)間: 2025-3-29 02:18
Proposals and recommendations concerning small effects in case-control and cohort studies,. Kromhout’s strict formulation. On the contrary, empirical observations point clearly to the fact that — as indicated in the . article — relative risks smaller than 3 are usually controversial for a long time. A strong relationship between causal inference and high relative risks cannot be excluded作者: 樸素 時(shí)間: 2025-3-29 05:49 作者: 敲詐 時(shí)間: 2025-3-29 09:27
Confounding: Its role in weak associations,investigator. However, it would be helpful to establish some guidelines that will minimise the chances of identifying inappropriate or false associations and clarifying the true associations. Currently, a weak association is often followed by studies which gather similar information on bigger popula作者: 拋棄的貨物 時(shí)間: 2025-3-29 14:56
Discussion remarks on meta-analysis,he results. I think that one of the positive features that use of meta-analysis is promoting and will continue to promote is the factual reporting of data, as opposed to selective reporting of results that appear more positive than they would if you had access to the complete data. What is the role 作者: RECUR 時(shí)間: 2025-3-29 19:37
Handbuch der Physik‘ Encyclopedia of Physicsf 110/70, and a cholesterol level of 140 mg/d, and if most adults abstained from smoking, coronary artery disease would be rare indeed. As epidemiologists, we need to recognise that we do not only perform descriptive work but that, on the basis of translational research data coming from environmenta作者: 陰謀 時(shí)間: 2025-3-29 22:44
https://doi.org/10.1007/978-3-658-33324-9. Kromhout’s strict formulation. On the contrary, empirical observations point clearly to the fact that — as indicated in the . article — relative risks smaller than 3 are usually controversial for a long time. A strong relationship between causal inference and high relative risks cannot be excluded作者: convert 時(shí)間: 2025-3-30 03:30 作者: disciplined 時(shí)間: 2025-3-30 05:35
Schallemission und Schallfelder in Luft,investigator. However, it would be helpful to establish some guidelines that will minimise the chances of identifying inappropriate or false associations and clarifying the true associations. Currently, a weak association is often followed by studies which gather similar information on bigger popula作者: 哺乳動(dòng)物 時(shí)間: 2025-3-30 11:00
https://doi.org/10.1007/978-3-642-94829-9he results. I think that one of the positive features that use of meta-analysis is promoting and will continue to promote is the factual reporting of data, as opposed to selective reporting of results that appear more positive than they would if you had access to the complete data. What is the role 作者: choleretic 時(shí)間: 2025-3-30 14:26 作者: 厭倦嗎你 時(shí)間: 2025-3-30 19:57
Epidemiological Practices in Research on Small Effects978-3-642-80463-2作者: GRIN 時(shí)間: 2025-3-30 22:29 作者: 牢騷 時(shí)間: 2025-3-31 01:02
Conference proceedings 1998In this book, numerous contributions and illustrated examples show the effects of this problem, and sets out how future research should be approached in order to minimize the problems, thus producing clear results of significance.作者: armistice 時(shí)間: 2025-3-31 08:09 作者: botany 時(shí)間: 2025-3-31 10:18 作者: FATAL 時(shí)間: 2025-3-31 17:10
Definitionen. Allgemeine Literaturangabend 35,000 controls are needed for the same exposure prevalence of five per cent. Sample size requirements can, therefore, pose a major initiation to the epidemiologic assessment of a small increase in the relative risk.作者: 宮殿般 時(shí)間: 2025-3-31 19:33
R. W. Leonard,A. Barone,B. E. Noltingktion in the . showing a risk ratio of 15 (van Asperan et al. 1995). So it does not mean that we are only left with risk ratios in the order of 1 – 2. Sometimes also strong associations can be found today, as was shown in a study we carried out last year in The Netherlands.作者: hereditary 時(shí)間: 2025-4-1 01:19 作者: Synthesize 時(shí)間: 2025-4-1 05:12
