Design and rationale of the ATtune Knee Outcome Study (ATKOS): multicenter prospective evaluation of a novel uncemented rotating platform knee system

Table 1 Study procedures and distribution of the different outcomes in the follow-up schedule

	Preoperative	6 months	1 year	5 years	10 years
Patient reported outcome measures	X	X	X	X	X
Return to sports and physical function
Tegner / UCLA activity scale	X		X
Performance based measurements	X		X
Return to work			X
Radiographic analysis
Radiolucent lines		X	X	X	X
Alignment	X		X
Psychologic factors	X		X	X	X

N.B. Patients are routinely seen at the 6 week follow-up mark in some of the participating centres, no study parameters are registered at this visit

ISSN: 1471-2474