Table 2 Timing of measurements and outline of primary and secondary outcome measures

Primary outcome measures

Pain score (WOMAC*)

x

x

x

x

x

Pain Score (NRS**)

x

x

x

x

x

x

Secondary outcome measures

Function score (WOMAC)

x

x

x

x

x

Stiffness score (WOMAC)

x

x

x

x

x

HOOS***

x

x

x

x

x

Quality of life (EuroQol EQ-5D)

x

x

x

x

x

Constant and intermittent pain (ICOAP^#)

x

x

x

x

x

Use of medication

x

x

x

x

x

x

Medical consumption

x

x

x

x

x

Adverse reactions

x

x

x

x

Perceived recovery

x

x

x

x

Others

Demographic data

x

Co-morbidity

x

Physical examination hip, knee and lumbar spine

x

x

Laboratory assessment (ESR^##, Hs-CRP^###)

x