Cochrane Style Manual
English language: regional differences

There are regional differences in the English language, and Cochrane Review Groups support both British (i.e. UK) and American (i.e. US) English. Cochrane Reviews must use only UK or US English throughout.

The ‘-ize’ suffix (e.g. randomize) is often associated with US English and ‘-ise’ (e.g. randomise) with British English, when in fact ‘-ize’ is also commonly used in British English. Cochrane Reviews can use either spelling but the choice should be applied consistently within a single Cochrane Review or document.

Note that the Cochrane brand guidelines state a preference for UK English with '-ize' spelling.

Section info
Contact
John Hilton (jhilton@cochrane.org)
Describe change
Clarified that Cochrane Reviews must be in either UK English or US English only.
Change date
27 June 2019
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