Table 3.

Reported utility scores and summarized study descriptions

Study	Instrument	Sample size (n)	time point	Index mean (SD)	Study population
ALL INJURY PATIENTS
Keyes, US [19]	QOL	854	24 months	0.70	Adults
Meerding, Netherlands [36]	EQ-5D	2904	2.5 months	0.86	all injury, age 15+
			2.5 months	0.63	hospitalized 15+
			5 months	0.74	hospitalized 15+
			9 months	0.74	hospitalized 15+
Polinder, Netherlands [3]	EQ-5D	525	2.5 months	0.92	all injury, age 4-15
		379	5 months	0.96	all injury, age 4-15
		366	9 months	0.98	all injury, age 4-15
Polinder. Netherlands [37]	EQ-5D	3231	2.5 months	0.60	all injury, age 15+
			5 months	0.70	all injury, age 15+
			9 months	0.76	all injury, age 15+
			24 months	0.73	all injury, age 15+
Sutherland, UK [32]	SF-6D	200	2 months	0.61	Admitted, age 16-70
			6 months	0.62	Admitted, age 16-70
Watson, Australia [34]	SF-6D	186	pre-injury	0.91	Admitted, age 18-74
		186	12 months	0.73	Admitted, age 18-74
SEVERE INJURY PATIENTS
Gabbe, Australia [10]	HAQ	243	discharge	0.44	ISS > 15, age 15-80
			6 months	0.54	ISS > 15, age 15-80
Holbrook US [12-14]	QWB	1048	discharge	0.40	GCS > 11, age 18+
			6 months	0.63	GCS > 11, age 18+
			12 months	0.67	GCS > 11, age 18+
			18 months	0.68	GCS > 11, age 18+
Holtslag, Netherlands [64]	EQ-5D	335	15 months	0.69	ISS > 15, age 15+
Korosec, Slovenia [61]	EQ-5D	98	24 months	0.72	ICU patients
Soberg, Norway [11]	WHODAS II *	105	6 weeks	0.59	ISS > 15, age 18-67
			12 months	0.72	ISS > 15, age 18-67
			24 months	0.73	ISS > 15, age 18-67

* WHODAS II disability weights were reversed to utility scores

QOL = Satisfaction with Quality of Life instrument; EQ-5 D = European Quality of Life instrument -5 dimensions; SF-6D = Medical Outcome Study Short Form-6 dimensions; HAQ = Health Assessment Questionnaire; QWB = Quality of Well Being Scale; WHODASII = World Health Organization Disability Assessment Schedule version II