Clinical Global Impression scale.
CGI
Clinician global judgment of overall illness severity (CGI-S) and treatment-related improvement (CGI-I); efficacy index
- Provisionally grouped under
- Length and format
- 2-3 single-item ratings (CGI-S, CGI-I, Efficacy Index). 7-point clinician rating (CGI-S 1 normal - 7 extremely ill; CGI-I 1 very much improved - 7 very much worse) (clinician-rated/interview)
- Language versions
- Effectively all major clinical-trial languages; disorder-specific CGI versions translated worldwide
- Licence
- public-domain / open
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Guy, W. (1976). ECDEU Assessment Manual for Psychopharmacology (CGI). US DHEW, NIMH.
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