Diurnal variation in incidence of stroke: Oxfordshire community stroke project.

abstract：OBJECTIVE:To analyse the risk of second primary cancers during long term follow up of patients with Hodgkin's disease. DESIGN:Cohort study. SETTING:The British National Lymphoma Investigation (a collaborative group of over 60 participating centres in Britain treating lymphomas). PATIENTS:2846 patients first treated ...

journal_title：BMJ (Clinical research ed.)

authors： Swerdlow AJ,Douglas AJ,Hudson GV,Hudson BV,Bennett MH,MacLennan KA

更新日期：1992-05-02 00:00:00

abstract：OBJECTIVES:To evaluate current processes by which young children presenting with a febrile illness but suspected of having serious bacterial infection are diagnosed and treated, and to develop and test a multivariable model to distinguish serious bacterial infections from self limiting non-bacterial illnesses. Design T...

journal_title：BMJ (Clinical research ed.)

authors： Craig JC,Williams GJ,Jones M,Codarini M,Macaskill P,Hayen A,Irwig L,Fitzgerald DA,Isaacs D,McCaskill M

更新日期：2010-04-20 00:00:00

abstract：OBJECTIVE:To investigate the association between long term intake of dietary and supplemental calcium and death from all causes and cardiovascular disease. DESIGN:Prospective longitudinal cohort study. SETTING:Swedish mammography cohort, a population based cohort established in 1987-90. PARTICIPANTS:61 433 women (bo...

journal_title：BMJ (Clinical research ed.)

authors： Michaëlsson K,Melhus H,Warensjö Lemming E,Wolk A,Byberg L

更新日期：2013-02-12 00:00:00

abstract：OBJECTIVES:To understand the approaches to learning of practising physicians in their workplace and to assess the relation of these approaches to their motivation for, preferred methods of, and perceived barriers to continuing medical education. DESIGN:Postal survey of 800 Ontario physicians. PARTICIPANTS:373 physici...

journal_title：BMJ (Clinical research ed.)

authors： Delva MD,Kirby JR,Knapper CK,Birtwhistle RV

更新日期：2002-11-23 00:00:00

abstract：:Elderly and disabled people have been led to expect great improvements in the quality of community care after April 1993. The choice to live safely at home is to be offered as an alternative to residential care. The financial and organisational relationships are all intended to support this in practice. The Tomlinson ...

journal_title：BMJ (Clinical research ed.)

authors： Jowell T

更新日期：1992-12-05 00:00:00

abstract：:Objectives To estimate the short term effect of particulate air pollution (particle diameter <10 μm, or PM10) on mortality and explore the heterogeneity of particulate air pollution effects in major cities in China.Design Generalised linear models with different lag structures using time series data.Setting 38 of the ...

journal_title：BMJ (Clinical research ed.)

authors： Yin P,He G,Fan M,Chiu KY,Fan M,Liu C,Xue A,Liu T,Pan Y,Mu Q,Zhou M

更新日期：2017-03-14 00:00:00

abstract：:Ruben Meerman and Andrew Brown explain why the answer might not be what you expect. ...

journal_title：BMJ (Clinical research ed.)

authors： Meerman R,Brown AJ

更新日期：2014-12-16 00:00:00

abstract：UNLABELLED:OBJECTIVE-To assess the risk of cardiorespiratory symptoms and mortality in non-smokers who were passively exposed to environmental smoke. DESIGN:Prospective study of cohort from general population first screened between 1972 and 1976 and followed up for an average of 11.5 years, with linkage of data from p...

journal_title：BMJ (Clinical research ed.)

authors： Hole DJ,Gillis CR,Chopra C,Hawthorne VM

更新日期：1989-08-12 00:00:00

abstract：OBJECTIVES:To investigate the association between intake of fish and n-3 polyunsaturated fatty acids (n-3 PUFA) and the risk of breast cancer and to evaluate the potential dose-response relation. DESIGN:Meta-analysis and systematic review of prospective cohort studies. DATA SOURCES:PubMed and Embase up to December 20...

journal_title：BMJ (Clinical research ed.)

authors： Zheng JS,Hu XJ,Zhao YM,Yang J,Li D

更新日期：2013-06-27 00:00:00

abstract：OBJECTIVE:To assess adjustment practices for primary outcomes of randomized controlled trials and their impact on the results. DESIGN:Meta-epidemiologic study. DATA SOURCES:25 biomedical journals with the highest impact factor according to Journal Citation Reports 2009. STUDY SELECTION:Randomized controlled trials p...

journal_title：BMJ (Clinical research ed.)

authors： Saquib N,Saquib J,Ioannidis JP

更新日期：2013-07-12 00:00:00

abstract：OBJECTIVE:To determine whether maternal smoking during pregnancy causes impairment in growth after birth. DESIGN:Longitudinal study. SETTING:Six medical university centres of six towns of north, central, and south Italy. SUBJECTS:12,987 babies (10,238 born from non-smoking mothers, 2276 from mothers smoking one to n...

journal_title：BMJ (Clinical research ed.)

authors： Conter V,Cortinovis I,Rogari P,Riva L

更新日期：1995-03-25 00:00:00

abstract：OBJECTIVE:To determine whether inhaled salmeterol, a new long acting inhaled beta adrenergic agonist, reduces nocturnal bronchoconstriction and improves sleep quality in patients with nocturnal asthma. DESIGN:Randomised, double blind, placebo controlled crossover study. SETTING:Hospital outpatient clinics in Edinburg...

journal_title：BMJ (Clinical research ed.)

authors： Fitzpatrick MF,Mackay T,Driver H,Douglas NJ

更新日期：1990-12-15 00:00:00

abstract：OBJECTIVES:To develop a systematic method for both summative and formative audit of practice audits, and to use the method to review Oxfordshire practice audits and to plan improvement. DESIGN:Development of a coding system for the audit cycle subsequently used prospectively to assess audits reported to medical audit ...

journal_title：BMJ (Clinical research ed.)

authors： Derry J,Lawrence M,Griew K,Anderson J,Humphreys J,Pandher KS

更新日期：1991-11-16 00:00:00

abstract：OBJECTIVES:To assess whether and how investigators of placebo controlled randomised trials inform participants of their treatment allocation at trial closure and to assess barriers to feedback. DESIGN:Postal survey with a semistructured questionnaire. PARTICIPANTS:All investigators who published a placebo controlled ...

journal_title：BMJ (Clinical research ed.)

authors： Di Blasi Z,Kaptchuk TJ,Weinman J,Kleijnen J

更新日期：2002-12-07 00:00:00

abstract：:The first call for applications to the NHS research and development programme on the interface between primary and secondary care was advertised in February 1994. A total of 674 outline proposals were submitted and 54 (8%) secured funding. Projects have been commissioned in 16 of the 21 priority areas and around 6m po...

journal_title：BMJ (Clinical research ed.)

authors： Wisely J,Haines A

更新日期：1995-10-21 00:00:00

abstract：OBJECTIVE:To compare the functional results after displaced fractures of the femoral neck treated with internal fixation or hemiarthroplasty. DESIGN:Randomised trial with blinding of assessments of functional results. SETTING:University hospital. PARTICIPANTS:222 patients; 165 (74%) women, mean age 83 years. Inclusi...

journal_title：BMJ (Clinical research ed.)

authors： Frihagen F,Nordsletten L,Madsen JE

更新日期：2007-12-15 00:00:00

abstract：OBJECTIVE:To study the comparative importance of environment and genes in the development of islet cell autoimmunity associated with insulin dependent diabetes mellitus. DESIGN:Population based study of diabetic twins. SETTING:Danish population. SUBJECTS:18 monozygotic and 36 dizygotic twin pairs with one or both pa...

journal_title：BMJ (Clinical research ed.)

authors： Petersen JS,Kyvik KO,Bingley PJ,Gale EA,Green A,Dyrberg T,Beck-Nielsen H

更新日期：1997-05-31 00:00:00

abstract：OBJECTIVE:To determine whether a decision aid designed for adults with low education and literacy can support informed choice and involvement in decisions about screening for bowel cancer. DESIGN:Randomised controlled trial. SETTING:Areas in New South Wales, Australia identified as socioeconomically disadvantaged (lo...

journal_title：BMJ (Clinical research ed.)

authors： Smith SK,Trevena L,Simpson JM,Barratt A,Nutbeam D,McCaffery KJ

更新日期：2010-10-26 00:00:00

abstract：OBJECTIVES:To investigate current practice of screening children from abroad for infections after coming to the United Kingdom, and to make recommendations for future practice. DESIGN:A review of literature and a questionnaire sent to all health authorities and boards in the United Kingdom. SETTING:All health authori...

journal_title：BMJ (Clinical research ed.)

authors： Shabde N,Waterston T

更新日期：1990-10-06 00:00:00

abstract：OBJECTIVES:To quantify the relative contribution of premorbid and episode specific factors in determining the long term persistence of disabling symptoms of low back pain. DESIGN:Prospective cohort study. SETTING:Two general practices in the south Manchester area. PARTICIPANTS:180 patients, who previously participat...

journal_title：BMJ (Clinical research ed.)

authors： Thomas E,Silman AJ,Croft PR,Papageorgiou AC,Jayson MI,Macfarlane GJ

更新日期：1999-06-19 00:00:00

abstract：OBJECTIVE:To examine associations between varenicline and the incidence of a range of adverse outcomes. DESIGN:Population based cohort study using within person analyses to control for confounding by indication. SETTING:Whole population of Sweden. PARTICIPANTS:7,917,436 people aged 15 and over, of whom 69,757 were t...

journal_title：BMJ (Clinical research ed.)

authors： Molero Y,Lichtenstein P,Zetterqvist J,Gumpert CH,Fazel S

更新日期：2015-06-02 00:00:00

abstract：OBJECTIVE:To determine whether use of tinzaparin, a low molecular weight heparin introduced for prophylactic management of deep vein thrombosis, increases the risk of serious postoperative bleeding leading to a higher than expected 28 day readmission rate after discharge for hysterectomy. DESIGN:Retrospective case-con...

journal_title：BMJ (Clinical research ed.)

authors： Cook G,Depares J,Singh M,McElduff P

更新日期：2006-04-08 00:00:00

abstract：OBJECTIVE:To describe the clinical circumstances in which psychiatric patients commit suicide. DESIGN:National clinical survey. SETTING:England and Wales. SUBJECTS:A two year sample of people who had committed suicide, in particular those who had been in contact with mental health services in the 12 months before de...

journal_title：BMJ (Clinical research ed.)

authors： Appleby L,Shaw J,Amos T,McDonnell R,Harris C,McCann K,Kiernan K,Davies S,Bickley H,Parsons R

更新日期：1999-05-08 00:00:00

abstract：OBJECTIVE:To evaluate the effectiveness of treatment with collar or physiotherapy compared with a wait and see policy in recent onset cervical radiculopathy. DESIGN:Randomised controlled trial. SETTING:Neurology outpatient clinics in three Dutch hospitals. PARTICIPANTS:205 patients with symptoms and signs of cervica...

journal_title：BMJ (Clinical research ed.)

authors： Kuijper B,Tans JT,Beelen A,Nollet F,de Visser M

更新日期：2009-10-07 00:00:00

abstract：OBJECTIVE:To compare neonatal mortality and morbidity in term infants presenting by the breech and delivered vaginally or by caesarean section. DESIGN:Population based comparison of outcomes. Data derived from the St Mary's maternity information system. SETTING:North West Thames Regional Health Authority, 1988-90. S...

journal_title：BMJ (Clinical research ed.)

authors： Thorpe-Beeston JG,Banfield PJ,Saunders NJ

更新日期：1992-09-26 00:00:00

abstract：OBJECTIVE:To evaluate participants' perceptions of the impact on them of an additional six months' training beyond the standard 12 month general practice vocational training scheme. DESIGN:Qualitative study using focus groups. SETTING:General practice vocational training in Northern Ireland. PARTICIPANTS:13 general ...

journal_title：BMJ (Clinical research ed.)

authors： Sibbett CH,Thompson WT,Crawford M,McKnight A

更新日期：2003-10-25 00:00:00

abstract：:In prospective studies, the prevalence of undiagnosed subclinical hypothyroidism in pregnant women ranges from 3% to 15%. Subclinical hypothyroidism is associated with multiple adverse outcomes in the mother and fetus, including spontaneous abortion, pre-eclampsia, gestational hypertension, gestational diabetes, prete...

journal_title：BMJ (Clinical research ed.)

authors： Negro R,Stagnaro-Green A

更新日期：2014-10-06 00:00:00

abstract：OBJECTIVE:To evaluate risk of late life coronary heart disease associated with being overweight in late middle or old age and to assess whether weight change modifies this risk. DESIGN:Longitudinal study of subjects in the epidemiological follow up study of the national health and nutrition examination survey I. SETT...

journal_title：BMJ (Clinical research ed.)

authors： Harris TB,Launer LJ,Madans J,Feldman JJ

更新日期：1997-06-21 00:00:00

abstract：OBJECTIVE:To assess the accuracy of the AbC-19 Rapid Test lateral flow immunoassay for the detection of previous severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. DESIGN:Test accuracy study. SETTING:Laboratory based evaluation. PARTICIPANTS:2847 key workers (healthcare staff, fire and rescue of...

journal_title：BMJ (Clinical research ed.)

authors： Mulchandani R,Jones HE,Taylor-Phillips S,Shute J,Perry K,Jamarani S,Brooks T,Charlett A,Hickman M,Oliver I,Kaptoge S,Danesh J,Di Angelantonio E,Ades AE,Wyllie DH,EDSAB-HOME and COMPARE Investigators.

更新日期：2020-11-11 00:00:00

abstract：OBJECTIVES:To investigate the association between environmental tobacco smoke, plasma cotinine concentration, and respiratory cancer or death. DESIGN:Nested case-control study within the European prospective investigation into cancer and nutrition (EPIC). PARTICIPANTS:303,020 people from the EPIC cohort (total 500,00...

journal_title：BMJ (Clinical research ed.)

authors： Vineis P,Airoldi L,Veglia F,Olgiati L,Pastorelli R,Autrup H,Dunning A,Garte S,Gormally E,Hainaut P,Malaveille C,Matullo G,Peluso M,Overvad K,Tjonneland A,Clavel-Chapelon F,Boeing H,Krogh V,Palli D,Panico S,Tumino

更新日期：2005-02-05 00:00:00