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Table 1 Characteristics of participants (n = 21)

From: Effect of knee unloading shoes on regional plantar forces in people with symptomatic knee osteoarthritis – an exploratory study

Age, years

63.4 (7.0)

Male, n (%)

9 (43)

Symptom duration, years

8.0 (8.2)

Body mass index, kg/m2

29.8 (3.6)

Unilateral symptoms, n (%)

6 (29)

Radiographic disease severity grade, n (%)a

 Mild (Grade 2)

6 (29)

 Moderate (Grade 3)

9 (43)

 Severe (Grade 4)

6 (29)

Foot Posture Index classification, n (%)

 Normal (Scores from 0 to + 5)

9 (43)

 Pronated (Scores from + 6 to + 9)

11 (52)

 Highly pronated (Scores greater + 9)

1 (5)

Foot mobility magnitude, mm

9.6 (3.8)

Navicular drop, mm

7.6 (3.1)

Pain while walking (NRS)b

3.7 (3.0)

Physical function (WOMAC)c

18.5 (13.2)

  1. Values are reported as mean (SD) unless otherwise indicated
  2. aUsing the Kellgren-Lawrence grading system; NRS = numerical rating scale; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index
  3. bRanges from 0 to 10 (higher scores indicate worse pain)
  4. cRanges from 0 to 68 (higher scores indicate worse function)