Table 5.

Mean relative efficiency of PROMIS measures versus legacy instruments

	DF-PROMIS-UE full bank (46 items)	DF-PROMIS-UE 7-item short form (7 items)	DF-PROMIS-UE standard CAT (average 4.7 items)
DF-PROMIS-UE full bank (46 items)		1.37	1.54
DF-PROMIS-UE 7-item short form (7 items)			1.30
DASH (30 items)	1.30	1.50	1.82
QuickDASH (11 items)	1.42	1.58	1.96
MHQ (7 items)	0.79	0.95	1.12

DASH Disability of Arm, Shoulder and Hand, DF-PROMIS-UE v2.0 Dutch-Flemish translated version of the PROMIS Upper Extremity v2.0 item bank, MHQ-ADL Michigan Hand Questionnaire-Activities of Daily Living subscale