Participant groups involved in selecting outcomes for inclusion in COS (n = 225).

The methods used to develop COS (n = 259).

Nature of patient participation where detail is reported (n = 27).

BackgroundCore outcome sets (COS) comprise a minimum set of outcomes that should be measured and reported in all trials for a specific health condition. The COMET (Core Outcome...

The methods used to develop COS (n = 307).

The scope of included studies (n = 307).

Participant groups involved in selecting outcomes for inclusion in COS (n = 307).

BackgroundThe Core Outcome Measures in Effectiveness Trials (COMET) database is a publically available, searchable repository of published and ongoing core outcome set (COS)...

OECD DAC list of ODA recipient countries involved in the COS development process.

Demographic characteristics of patients in PHIS-assembled cohort compared to the National Cancer Institute’s SEER program.

Reasons for exclusion at full text stage.

Geographical locations of participants included in the development of each COS (n = 214).

Background No definitive evidence exists on how intracranial hypertension should be treated in patients with traumatic brain injury (TBI). It is therefore likely that centers...

Reasons for exclusion at full text stage.