Assessing the risk of venous thromboembolic events in women taking progestin-only contraception: a meta-analysis.

abstract：OBJECTIVES:To measure, in a service setting, the effect of magnetic resonance imaging on diagnosis, diagnostic certainty, and patient management in the neurosciences; to measure the cost per patient scanned; to estimate the marginal cost of imaging and compare this with its diagnostic impact; to measure changes in pati...

journal_title：BMJ (Clinical research ed.)

authors： Szczepura AK,Fletcher J,Fitz-Patrick JD

更新日期：1991-12-07 00:00:00

abstract：OBJECTIVE:To examine the association between obstetric epidural anaesthesia and subsequent long term problems. DESIGN:Postal questionnaire on health problems after childbirth linked to maternity case note data. SETTING:Maternity hospital in Birmingham. SUBJECTS:11701 women who delivered their most recent child durin...

journal_title：BMJ (Clinical research ed.)

authors： MacArthur C,Lewis M,Knox EG

更新日期：1992-05-16 00:00:00

abstract：OBJECTIVE:To investigate the effect of watching different types of video on energy expenditure. DESIGN:Randomised study assessing a "pleasant," an "amusing," an "exciting," and no video film clips. SUBJECTS:12 volunteers who did not know the purpose of the study. MAIN OUTCOME MEASURES:Changes in energy expenditure, ...

journal_title：BMJ (Clinical research ed.)

authors： Cooper BG,Matthews JN,Alberti KG

更新日期：1995-12-23 00:00:00

abstract：OBJECTIVE:To assess the effects of Helicobacter pylori treatment, vitamin supplementation, and garlic supplementation in the prevention of gastric cancer. DESIGN:Blinded randomized placebo controlled trial. SETTING:Linqu County, Shandong province, China. PARTICIPANTS:3365 residents of a high risk region for gastric ...

journal_title：BMJ (Clinical research ed.)

authors： Li WQ,Zhang JY,Ma JL,Li ZX,Zhang L,Zhang Y,Guo Y,Zhou T,Li JY,Shen L,Liu WD,Han ZX,Blot WJ,Gail MH,Pan KF,You WC

更新日期：2019-09-11 00:00:00

abstract：:Objective To examine off-label indications for antidepressants in primary care and determine the level of scientific support for off-label prescribing.Design Descriptive study of antidepressant prescriptions written by primary care physicians using an indication based electronic prescribing system.Setting Primary care...

journal_title：BMJ (Clinical research ed.)

authors： Wong J,Motulsky A,Abrahamowicz M,Eguale T,Buckeridge DL,Tamblyn R

更新日期：2017-02-21 00:00:00

abstract：OBJECTIVE:To determine patient, institution, and machine characteristics that contribute to variation in radiation doses used for computed tomography (CT). DESIGN:Prospective cohort study. SETTING:Data were assembled and analyzed from the University of California San Francisco CT International Dose Registry. PARTICI...

journal_title：BMJ (Clinical research ed.)

authors： Smith-Bindman R,Wang Y,Chu P,Chung R,Einstein AJ,Balcombe J,Cocker M,Das M,Delman BN,Flynn M,Gould R,Lee RK,Yellen-Nelson T,Schindera S,Seibert A,Starkey J,Suntharalingam S,Wetter A,Wildberger JE,Miglioretti DL

更新日期：2019-01-02 00:00:00

abstract：OBJECTIVES:To develop an easily applicable diagnostic scoring method to determine the presence of peptic ulcers in dyspeptic patients in a primary care setting; to evaluate whether Helicobacter pylori testing adds value to history taking. DESIGN:Cross sectional study. SETTING:General practitioners' offices in the Utr...

journal_title：BMJ (Clinical research ed.)

authors： Weijnen CF,Numans ME,de Wit NJ,Smout AJ,Moons KG,Verheij TJ,Hoes AW

更新日期：2001-07-14 00:00:00

abstract：OBJECTIVE:To examine period trends in the rate of suicide in the first 28 days after discharge from psychiatric hospital. DESIGN:Cohort study of patients discharged from psychiatric hospital. SETTING:Scotland. SUBJECTS:All patients aged 15-84 who were discharged from Scottish psychiatric hospitals during 1968 to 199...

journal_title：BMJ (Clinical research ed.)

authors： Geddes JR,Juszczak E

更新日期：1995-08-05 00:00:00

abstract：OBJECTIVE:To study the circumstances of dog bites and identify risk factors. DESIGN:Postal questionnaire survey and case note review of victims of dog bites referred between 1982 and 1989. SETTING:One referral based regional plastic surgery unit. PATIENTS:146 consecutive patients referred for primary treatment of do...

journal_title：BMJ (Clinical research ed.)

authors： Shewell PC,Nancarrow JD

更新日期：1991-12-14 00:00:00

abstract：OBJECTIVES:To identify risk factors predisposing to the development of flucloxacillin associated jaundice. DESIGN:Case-control study. Medical records of cases and controls were reviewed and information recorded on standard data collection forms. SETTING:Alfred Hospital recruiting subjects from Melbourne, Sydney, and ...

journal_title：BMJ (Clinical research ed.)

authors： Fairley CK,McNeil JJ,Desmond P,Smallwood R,Young H,Forbes A,Purcell P,Boyd I

更新日期：1993-01-23 00:00:00

abstract：OBJECTIVE:To examine the association between warfarin treatment and longitudinal outcomes after ischemic stroke in patients with atrial fibrillation in community practice. DESIGN:Observational study. SETTING:Hospitals (n = 1487) participating in the Get With The Guidelines (GWTG)-Stroke program in the United States, ...

journal_title：BMJ (Clinical research ed.)

authors： Xian Y,Wu J,O'Brien EC,Fonarow GC,Olson DM,Schwamm LH,Bhatt DL,Smith EE,Suter RE,Hannah D,Lindholm B,Maisch L,Greiner MA,Lytle BL,Pencina MJ,Peterson ED,Hernandez AF

更新日期：2015-07-31 00:00:00

abstract：OBJECTIVE:To identify the number of patients who were misdiagnosed as being in the vegetative state and their characteristics. DESIGN:Retrospective study of the clinical records of the medical, occupational therapy, and clinical psychology departments. SETTING:20 bed unit specialising in the rehabilitation of patient...

journal_title：BMJ (Clinical research ed.)

authors： Andrews K,Murphy L,Munday R,Littlewood C

更新日期：1996-07-06 00:00:00

abstract：OBJECTIVE:To determine whether the more intensive screening and treatment for prostate cancer in the Seattle-Puget Sound area in 1987-90 led to lower mortality from prostate cancer than in Connecticut. DESIGN:Natural experiment comparing two fixed cohorts from 1987 to 1997. SETTING:Seattle-Puget Sound and Connecticut...

journal_title：BMJ (Clinical research ed.)

authors： Lu-Yao G,Albertsen PC,Stanford JL,Stukel TA,Walker-Corkery ES,Barry MJ

更新日期：2002-10-05 00:00:00

abstract：:According to a London physician, women with epilepsy taking antiepileptic drugs can take combined oral contraceptives (OCs). It is usual to recommend a combined OC preparation containing at least 50 mcg of estrogen (Ovran) from patients taking enzyme-inducing antiepileptic drugs; this can be increased to 60 mcg by ta...

journal_title：BMJ (Clinical research ed.)

authors： O'Brien MD,Gilmour-White S

更新日期：1993-08-21 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 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：OBJECTIVE:To assess whether causal criteria can be used to find out whether there is support in published research for maintaining that menopause causes depression. DESIGN:Ninety four articles from 30 years of research examining the relation of natural menopause to depression were traced by using Medline and systemati...

journal_title：BMJ (Clinical research ed.)

authors： Nicol-Smith L

更新日期：1996-11-16 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：OBJECTIVE:To study delays between sending referral letters and the outpatient appointment and to assess the content of referral and reply letters, their educational value, and the extent to which questions asked are answered by reply letters. DESIGN:Retrospective review of referrals to 16 consultant orthopaedic surgeo...

journal_title：BMJ (Clinical research ed.)

authors： Jacobs LG,Pringle MA

更新日期：1990-09-08 00:00:00

abstract：OBJECTIVE:To investigate strength of associations between risk factors for cardiovascular disease and socioeconomic position during childhood and adulthood. DESIGN:Cross sectional analysis of status of cardiovascular risk factors and past and present social circumstances. SUBJECTS:5645 male participants in the west o...

journal_title：BMJ (Clinical research ed.)

authors： Blane D,Hart CL,Smith GD,Gillis CR,Hole DJ,Hawthorne VM

更新日期：1996-12-07 00:00:00

abstract：OBJECTIVE:To assess relative efficacy and toxicity of aminoglycosides given by single daily dose compared with multiple daily doses. DESIGN:Meta-analysis of 21 randomised trials identified through MEDLARS (1966 to January 1995). Data were overviewed with fixed effects and random effects models and with meta-regression...

journal_title：BMJ (Clinical research ed.)

authors： Barza M,Ioannidis JP,Cappelleri JC,Lau J

更新日期：1996-02-10 00:00:00

abstract：OBJECTIVES:To compare patients' preference for transdermal fentanyl or sustained release oral morphine, their level of pain control, and their quality of life after treatment. DESIGN:Randomised, multicentre, international, open label, crossover trial. SETTING:35 centres in Belgium, Canada, Denmark, Finland, the Unite...

journal_title：BMJ (Clinical research ed.)

authors： Allan L,Hays H,Jensen NH,de Waroux BL,Bolt M,Donald R,Kalso E

更新日期：2001-05-12 00:00:00

abstract：OBJECTIVE:To determine the effects of perineal massage in the second stage of labour on perineal outcomes. DESIGN:Randomised controlled trial. PARTICIPANTS:At 36 weeks' gestation, women expecting normal birth of a singleton were asked to join the study. Women became eligible to be randomised in labour if they progres...

journal_title：BMJ (Clinical research ed.)

authors： Stamp G,Kruzins G,Crowther C

更新日期：2001-05-26 00:00:00

abstract：OBJECTIVE:To derive and validate an algorithm to estimate the absolute risk of having ovarian cancer in women with and without symptoms. DESIGN:Cohort study with data from 375 UK QResearch general practices for development and 189 for validation. PARTICIPANTS:Women aged 30-84 without a diagnosis of ovarian cancer at ...

journal_title：BMJ (Clinical research ed.)

authors： Hippisley-Cox J,Coupland C

更新日期：2011-01-04 00:00:00

abstract：OBJECTIVE:To determine whether failure to adequately adjust for a reported 40% misclassification of use of in vitro fertilisation (IVF) as reported in a Swedish study could have led to a false finding that folic acid increases dizygotic twinning. DESIGN:Modelling with population based data. SETTING:Swedish vital reco...

journal_title：BMJ (Clinical research ed.)

authors： Berry RJ,Kihlberg R,Devine O

更新日期：2005-04-09 00:00:00

abstract：:A US organization, Population Action International, is reported in this article to have released findings on the health risks for women in 118 countries. Countries are ranked on 10 indicators, including such indicators as the number of births to women aged under 19 years, the availability of legal abortion, maternal ...

journal_title：BMJ (Clinical research ed.)

authors： Dillner L

更新日期：1995-07-15 00:00:00

abstract：:The aim of the study was to determine the outcome in 181 diabetic patients with advanced, previously untreated renal impairment who had been identified in a survey conducted in six health regions in the United Kingdom in 1985. Late in 1987 questionnaires were sent to the consultant physicians, geriatricians, and nephr...

journal_title：BMJ (Clinical research ed.)

authors：

更新日期：1989-11-04 00:00:00

abstract：:In Oregon, Planned Parenthood and a group of physicians who perform abortions have filed a civil suit against several anti-abortion groups individuals. The suit seeks $200 million in damages and an injunction to bar the defendants from posting information on the Internet that threatens the lives and well-being of the...

journal_title：BMJ (Clinical research ed.)

authors： Charatan F

更新日期：1999-01-23 00:00:00

abstract：OBJECTIVES:To investigate trends in the incidence of acute pancreatitis resulting in admission to hospital, and mortality after admission, from 1963 to 1998. DESIGN:Analysis of hospital inpatient statistics for acute pancreatitis, linked to data from death certificates. SETTING:Southern England. SUBJECTS:5312 people...

journal_title：BMJ (Clinical research ed.)

authors： Goldacre MJ,Roberts SE

更新日期：2004-06-19 00:00:00

abstract：OBJECTIVE:To assess whether mini flow meters used to measure peak expiratory flow can track changes in lung function and indicate clinically important changes. DESIGN:Comparison of measurements with a spirometer and different brands of mini flow meter; the meters were allocated to subjects haphazardly. SUBJECTS:12 bo...

journal_title：BMJ (Clinical research ed.)

authors： Sly PD,Cahill P,Willet K,Burton P

更新日期：1994-02-26 00:00:00