What is the minimum response rate on patient-reported outcome measures needed to adequately evaluate total hip arthroplasties?

Table 6 MRR for each THA PROM including per complied condition

THA PROMs set	PROM	1. Similar change score (%)	2. Maintaining influence of predictors (%)	3. Equal distribution of predictors (%)	MRR (%)
Required	NRS pain at rest	30	100	10	100
	NRS pain during activity	30	100	10	100
	EQ-5D-3L
	EQ-5D descriptive system	30	100	10	100
	EQ VAS	40	70	10	70
	HOOS-PS	40	90	10	90
	Anchor hip function	60	90	10	90
Required set		60	100	10	100
Additional	OHS	30	100	10	100
	Anchor hip pain	50	100	10	100
	Satisfaction	60	100	10	100
Total set		60	100	10	100

EQ-5D descriptive system EuroQol 5 dimensions descriptive system, EQ VAS EuroQol Visual Analogue Scale, HOOS-PS Hip disability and Osteoarthritis Outcome Score-Physical function Short-form, MRR minimum response rate, NRS numeric rating scale, OHS Oxford Hip Score, PROMs patient-reported outcome measures, THA total hip arthroplasty

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