Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Martin Bland"'
Autor:
Karina Lovell, Chris Manning, Jacqueline J Hill, Glyn Lewis, Carolyn Chew-Graham, John Cape, Michael Barkham, Linda Gask, David Kessler, Martin Bland, Colin Green, Peter Bower, Adwoa Hughes-Morley, Simon Gilbody, David Richards, Ricardo Araya, Stephen Pilling
Publikováno v:
The BMJ
Objective To compare the clinical effectiveness of collaborative care with usual care in the management of patients with moderate to severe depression. Design Cluster randomised controlled trial. Setting 51 primary care practices in three primary car
Publikováno v:
BMJ. 330:1057-1058
In randomised controlled trials, allocation concealment (separating the process of randomisation from the recruitment of participants) is important for rigorously designed trials.1–4 In 1996 many major medical journals adopted the CONSORT statement
Autor:
Judith M, Watson, Arthur R, Kang'ombe, Marta O, Soares, Ling-Hsiang, Chuang, Gill, Worthy, J Martin, Bland, Cynthia, Iglesias, Nicky, Cullum, David, Torgerson, E Andrea, Nelson, Anne, Witherow
Publikováno v:
The BMJ
Objective To assess the clinical effectiveness of weekly delivery of low dose, high frequency therapeutic ultrasound in conjunction with standard care for hard to heal venous leg ulcers. Design Multicentre, pragmatic, two arm randomised controlled tr
Autor:
Andrea Nelson, Marta Soares, Cynthia P Iglesias, Gill Worthy, Martin Bland, Susan O’Meara, David J. Torgerson, Nicky Cullum, Jo C Dumville
Publikováno v:
BMJ. 338:b2098-b2098
In the editorial accompanying our three papers on leg ulcers, Grey and colleagues make several points that deserve reply.1 2 3 4 They do not like our selection of time to healing as the primary outcome in the larval therapy study, but debridement is
Autor:
Linsey Nelson, J Martin Bland, Helen Tilbrook, Elaine M Hay, Simon J. Adamson, Gareth T. Jones, Sionnadh McLean, Jennifer Klaber Moffett, Chris Salisbury, Elaine Thomas, David J. Torgerson, Gary J. Macfarlane, Henry C Kitchener, Hugh MacPherson, Ruth E Johnson
Publikováno v:
The BMJ
Objective: To systematically review fully randomised patient preference trials and to explore the impact of preferences on attrition and outcome by meta-analysis of patient level data. Data sources: Citation search using Science Citation Index and Go
Autor:
Martin Bland
Publikováno v:
BMJ. 332:796.3
EDITOR—Mudur in his news article reports that Johnson & Johnson had added that “the placebo controlled design was required to satisfy the requirements of regulatory authorities to allow their evaluation of the risk/benefit of the drug” …
Autor:
Douglas G. Altman, Martin Bland
Publikováno v:
BMJ. 312:1654-1654
Several measurements of the same quantity on the same subject will not in general be the same. This may be because of natural variation in the subject, variation in the measurement process, or both. For example, table 1 shows four measurements of lun
Autor:
Douglas G. Altman, Martin Bland
Publikováno v:
BMJ. 312:770-770
We often transform data by taking the logarithm, square root, reciprocal, or some other function of the data. We then analyse the transformed data rather than the untransformed or raw data. We do this because many statistical techniques, such as t te
Autor:
Martin Bland, Douglas G. Altman
Publikováno v:
BMJ. 310:446-446
In an earlier Statistics Note1 we commented on the analysis of paired data where there is more than one observation per subject, as shown in table I. We pointed out that it could be highly misleading to analyse such data by combining repeated observa
Autor:
Martin Bland
Publikováno v:
BMJ. 308:660-660
EDITOR, - Urho M Kujala and colleagues report an analysis of the time to the first recorded episode of osteoarthritis of the leg, using the Cox proportional hazards model.1 They …