NICE process and methods

Appendix 1 Examples of evidence sources


  • Allied and Complementary Medicine (AMED)

  • Applied Social Science Index and Abstracts (ASSIA)

  • British Education Index (BEI)

  • British Official Publications Current Awareness Service (BOPCAS)

  • Campbell Database of Systematic Reviews

  • Cochrane Central Register of Controlled Trials (CENTRAL)

  • Cochrane Database of Systematic Reviews (CDSR)

  • Cumulated Index to Nursing and Allied Health Literature (CINAHL)

  • Database of Abstracts of Reviews of Effectiveness (DARE)

  • Educational Information Resources Center (ERIC)

  • Embase

  • EPPI-Centre list of systematic reviews

  • Health Business Elite

  • Health Management Information Consortium (HMIC)

  • Health Technology Assessment (HTA) database

  • Joanna Briggs Institute Library of Systematic reviews

  • MEDLINE/MEDLINE in Process

  • National Institute for Health Research (NIHR) HTA Programme

  • Physiotherapy Evidence Database (PEDro)

  • PsycINFO

  • Science Citation Index

  • Social Care Online

  • Social Policy and Practice

  • Social Science Citation Index

  • Social Services Abstracts

  • Sociological Abstracts

  • SportDiscus

  • Transport

  • UK Database of Uncertainties about the Effects of Treatments (DUETS)


  • NHS Economic Evaluation Database (NHS EED)

  • Health Economic Evaluations Database (HEED)

  • Econpapers

  • Econlit

  • Econometics papers

  • CEA Registry

Grey literature

  • Evidence Search – NICE Evidence Services

  • OpenGrey

Experiences of patients, service users and carers, or the target population

  • HealthTalkOnline

  • YouthHealthTalk

  • Service user organisation websites

Ongoing trials


  • Current Controlled Trials

  • United Kingdom Clinical Research Network's (UKCRN) Portfolio Database

Conference abstracts

  • Embase

  • British Library Inside Conferences (BLIC)

  • Google Scholar

  • Conference websites

Understanding current service and variations

  • Hospital episode statistics (HES)

  • Health and social care information centre

  • Care Quality Commission (CQC)

  • National Audit Office

  • Audit Commission

  • National Clinical Audit and Patient Outcomes Programme

  • Guidelines and Audit Implementation Network (GAIN)

  • King's Fund

  • Nuffield Trust

  • NHS Institute for Innovation and Improvement

  • Royal colleges and other professional bodies

  • NICE's QIPP (Quality, Innovation, Productivity and Prevention) collection and Shared Learning Database

  • National Patient Safety Agency