- A, B, C, GPP
Grades of evidence forming the basis for guideline recommendations (for full definition see Text Box 1, Section 4.4.5.1)
- AMED
Allied and Complementary Medicine Database
- AMT
Anxiety management training
- BDD
Body dysmorphic disorder
- BT
Behaviour therapy
- CAMHS
Child and adolescent mental health services
- CBT
Cognitive behavioural therapy
- CBT (including ERP)
Cognitive behavioural therapy (including exposure and response prevention)
- CBFT
Cognitive behavioural family therapy
- CGI
Clinical Global Impressions
- CI
Confidence interval
- CINAHL
Cumulative Index to Nursing and Allied Health Literature
- CPN
Community psychiatric nurse
- CPRS – OC
Comprehensive Psychopathological Rating Scale Obsessive-Compulsive subscale
- CT
Cognitive Therapy
- CY-BOCS
Children's Yale-Brown Obsessive-Compulsive Scale
- DBS
Deep brain stimulation
- Df
Degrees of freedom
- DSM
Diagnostic and Statistical Manual of Mental Disorders (versions III, III-R and IV)
- ECT
Electroconvulsive therapy
- EMBASE
Excerpta Medica Database
- ERP
Exposure and response prevention
- F
The statistic calculated by analysis of variance (F Ratio)
- FAD
McMaster Family Assessment Device
- FDA
(US) Food and Drugs Administration
- GAS
Group A beta haemolytic streptococcus
- GDG
Guideline development group
- GPP
Good practice point
- ICD-10
International Classification of Diseases, 10th Edition
- ICER
Incremental cost-effectiveness ratio
- IVIG
Intravenous immunoglobulin
- K
Number of studies
- LOI-CV
Leyton Obsessional Inventory – child version
- MAOI
Monoamine-oxidase inhibitor
- MDD
Major depressive disorder
- MEDLINE
Compiled by the US National Library of Medicine (NLM) and published on the web by Community of Science, MEDLINE is a source of life sciences and biomedical bibliographic information
- n
Number of participants in a group
- N
Total number of participants
- NCCMH
National Collaborating Centre for Mental Health
- NHS
National Health Service
- NICE
National Institute for Health and Clinical Excellence
- NIMH – OC
National Institute of Mental Health Obsessive-Compulsive Global Scale
- OCD
Obsessive-Compulsive Disorder
- OECD
Organisation for Economic Co-operation and Development
- OR
Odds ratio
- p
Probability
- PANDAS
Paediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus
- PCT
Primary Care Trust
- PILOTS
Published International Literature on Traumatic Stress
- PsycINFO
An abstract (not full text) database of psychological literature from the 1800s to the present
- RCT
Randomised controlled trials
- RET
Rational emotive therapy
- RR
Relative risk, risk ratio
- rTMS
Repetitive transcranial magnetic stimulation
- SC
Sydenham's chorea
- SCID – IV
Structured Clinical Interview for DSM-IV
- SD
Standard deviation
- SIGLE
System for Information on Grey Literature in Europe
- SMD
Standardised mean difference
- SNRI
Serotonin and noradrenaline reuptake inhibitors
- SRI
Serotonin reuptake inhibitor
- SSRI
Selective serotonin reuptake inhibitor
- t
t-statistic
- TMS
Transcranial magnetic stimulation
- WHOQOL – BREF
World Health Organization Quality of Life
- WMD
Weighted mean difference
- Y-BOCS
Yale-Brown Obsessive-Compulsive Scale
