AGREE	Appraisal of Guidelines for Research and Evaluation Tool
CPG	Clinical Practice Guidelines
CPGR	Clinical Practice Guideline Recommendation
DVT	Deep Vein Thrombosis
MeSH	Medical Subject Headings
PICAR	Population, Intervention, Comparator, Attributes of CPG and Recommendations
PRISMA	Preferred Reporting Items for Systematic Review and Meta-Analysis
U&E	Urea and Electrolytes
UK	United Kingdom
USA	United States of America