Table 1

Summary of participating injury-specific cohort studies

Study	Setting	Inclusion criteria	Participants <18 years	Follow-up time points	Key outcome measures	Injury diagnosis coding
VSTR	Australia	Inhospital death, ISS >12, ICU admission or urgent surgery, met burns criteria 20%–29% full/partial thickness.	n=2204*	6, 12 and 24 months	EQ-5D-3L, PedsQL, GOSE, KOSCHI and WHODAS.	ICD-10-AM and AIS 2005 (2008 Update).
VOTOR	Australia	Orthopaedic injury admission >24 hours or death within 24 hours.	n=1041*		EQ-5D-3L, GOSE and WHODAS.	ICD-10-AM.
CHAI	USA	Presentation to ED or hospital admission for either a TBI or an upper extremity injury.	n=926	3, 12, 24 and 36 months	PedsQL, ABAS-II and CASP.	ICD-9-CM.
UKBOI	UK	Presentation to ED or hospital admission 5+ years.	n=181	1, 4 and 12 months	EQ-5D or PedsQL and HUI3.	ICD-10 and AIS2005.
BCCH-LIO	Canada	Presentation to ED or hospital admission 0–16 years.	n=351	1, 4 and 12 months	EQ-5D and PedsQL.	PedsCTAS, CHIRPP and ICD-10.

*A proportion of patients met VSTR and VOTOR inclusion criteria (n = 273), and duplicated information will be omitted from VOTOR data.
ABAS-II, Adaptive Behavior Assessment System-Second Edition; AIS, Abbreviated Injury Scale; BCCH-LIO, British Columbia Children’s Hospital Longitudinal Injury Outcomes study; CASP, Child and Adolescent Scale of Participation; CHAI, Children’s Health After Injury; CHIRRP, Canadian Hospital Injury Reporting and Prevention Program; ED, emergency department; GOSE, Glasgow Outcome Scale – Extended; HUI3, Health Utilities Index 3; ICD, International Classification of Diseases; ICU, intensive care unit; ISS, Injury Severity Score; KOSCHI, King’s Outcome Scale for Closed Head Injury; PedsCTAS, Paediatriac Canadian Triage and Acuity Scale; PedsQL, Pediatric Quality of Life Inventory; TBI, traumatic brain injury; UKBOI, UK Burden of Injury study; VSTR, Victorian State Trauma Registry; VOTOR, Victorian Orthopaedic Trauma Outcomes Registry; WHODAS, World Health Organisation Disability Assessment Scale.