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Table 1 Participant characteristics

From: The efficacy of foot orthoses in individuals with patellofemoral osteoarthritis: a randomised feasibility trial

 

Total group (N = 26)

Foot orthoses (n = 13)

Flat inserts (n = 13)

Age (years)

60 (8)

55 (4)

65 (8)

Number (%) of women

16 (62)

8 (62)

8 (62)

BMI (kg/m2)

27.4 (4.7)

25.1 (3.6)

29.7 (4.7)

Right knee affected, n (%)

17 (65)

9 (69)

8 (62)

Duration of pain

 3–6 months, n (%)

2 (7.7)

–

2 (15.4)

 6–12 months, n (%)

–

–

–

 1–2 years, n (%)

2 (7.7)

–

2 (15.4)

 ≥ 2 years, n (%)

22 (84.6)

13 (100)

9 (69.2)

Usual pain VAS (0 to 100 mm)

43 (25)

31 (13)

56 (29)

Worst pain VAS (0 to 100 mm)

57 (30)

49 (26)

66 (31)

AKPS (0 to 100)

51 (18)

61 (12)

41 (18)

  1. Values are reported as mean (SD) unless otherwise stated
  2. BMI body mass index, VAS visual analogue scale (0 = no pain; 100 = worst pain possible), AKPS Anterior Knee Pain Scale (0 = maximal disability; 100 = no disability)