Table 3 Hierarchy of pain measures

1

WOMAC pain sub-scale (Likert: 0–20; VAS: 0–500)

2

Pain during activity (VAS: 0–100)

3

Pain during walking (VAS: 0–100)

4

Global knee pain (VAS: 0–100)

5

Pain at rest (VAS: 0–100)

6

SF-36 bodily pain (BP) sub-scale (0–100)

7

HAQ pain sub-scale (0–100; 0–3),

Lequesne algofunctional index pain sub-scale (0–8),

AIMS pain sub-scale (0–10)

Knee-Specific Pain Scale (KSPS)

McGill Pain Questionnaire – pain intensity (0–50)

ASES pain sub-scale (10–100)

Schmerzempfindungsskala (SES) Pain Perception Scale

8

Pain at night (VAS: 0–100),

Pain during activity (NRS: 0–10),

Pain on walking (NRS:0–10),

Number of painful days (days)