Table 1.

Study periods.

	STUDY PERIOD
	Enrolment and Baseline Assessments	Allocation and Intervention	45 days follow up	90 days follow up
TIMEPOINT	T0	Tintervention	T1	T2
ENROLMENT:
Eligibility screen	X
Informed consent	X
Allocationa		X
INTERVENTION:
THA with Capsulectomy or Capsulotomy		X
ASSESSMENTS:
HOOS	X		X	X
Joint repositioning tests	X		X	X
Hemoglobin concentration	X	Xb
Surgical time		X
30sCST	X		X	X
6MWT	X		X	X

^aAllocation is performed the day of the intervention, 30 minutes before surgery.

^bHemoglobin concentration is tested during the 15 days of postoperative care.