The pre-eclampsia community guideline (PRECOG): how to screen for and detect onset of pre-eclampsia in the communityBMJ 2005; 330 doi: https://doi.org/10.1136/bmj.330.7491.576 (Published 10 March 2005) Cite this as: BMJ 2005;330:576
Grading of recommendations in guideline
Grade A—Directly based on category I evidence.
Grade B—Directly based on category II evidence or extrapolated recommendation from category I evidence.
Grade C—Directly based on category III evidence or extrapolated recommendation from category I or II evidence.
Grade D—Directly based on category IV evidence or extrapolated recommendation from category I, II or III evidence.
Good practice point: view of the guideline development group.
Grading of evidence
Level 1a—Evidence obtained from meta-analysis of randomised controlled trials.
Level 1b—Evidence obtained from at least one randomised controlled trial.
Level IIa—Evidence obtained from at least one well-designed controlled study without randomisation. Includes cohort studies.
Level IIb—Evidence obtained from at least one other type of well-designed quasi-experimental study. Includes case control studies.
Level III—Evidence obtained from well-designed non-experimental descriptive studies, such as comparative studies, correlation studies and case studies.
Level IV—Evidence obtained from expert committee reports or opinions and/or clinical experience of respected authorities.
Evidence tables are available from apec.org.uk/precog
The following members of the Pre-eclampsia Community Guideline Development Group attended one or more development meetings: Philip Baker, Julian Bradley (representative of the Royal College of General Practitioners), Janet Bray, Carol Cooper, David Davies, Michael de Swiet, Gillian Fletcher, Mervi Jokinen (representative of the Royal College of Midwives), Fiona Milne, Deirdre Murphy, Catherine Nelson-Piercy, Vicky Osgood, Chris Redman (cochair), Stephen Robson, Andrew Shennan, Angela Tuffnell, Sara Twaddle, James Walker (cochair), Jason Waugh, and Kirsten Duckitt.
Independent reviewers of guideline
Trudy Boyce and Helen Crafter (midwives); Heather Mellows and Steve Walkinshaw (obstetricians); Robyn North (obstetric physician); and Lindsay Smith (general practitioner).
Other peer review
Royal College of Obstetricians and Gynaecologists, Royal College of General Practitioners, National Childbirth Trust, and Royal College of Midwives. See www.apec.org.uk for statements of support.
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