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Table 4 PFJ OA participant pain rating and KOOS scores: baseline, 6-week follow-up, and change (n = 10)

From: A 6-week hip muscle strengthening and lumbopelvic-hip core stabilization program to improve pain, function, and quality of life in persons with patellofemoral osteoarthritis: a feasibility pilot study

 

Baseline

6-week follow-up

Participant score change from baseline

P value

NPRS (0–10)

3 (3, 6)

1 (0, 3)

− 2.50 (− 3, − 2)

0.0195

KOOS Pain (0–100)

63.89 (47.22, 66.67)

77.78 (69.44, 86.11)

16.67 (5.56, 25.00)

0.0039

KOOS Symptom (0–100)

60.71 (53.57, 67.86)

75.00 (57.14, 89.29)

14.29 (10.71, 17.86)

0.0156

KOOS ADL (0–100)

68.38 (47.06, 76.47)

83.82 (79.41, 94.12)

15.44 (14.71, 17.65)

0.0020

KOOS Sport/Rec (0–100)

30 (20, 50)

57.50 (50.00, 75.00)

25.00 (0, 45.00)

0.0195

KOOS QOL (0–100)

37.50 (25, 43.75)

50.00 (31.25, 62.50)

15.63 (6.25, 25.00)

0.0195

  1. Data are expressed as median (IQR). Values in italics indicate significant change at the 0.05 significance level in the exploratory analyses (Wilcoxon Signed Rank test). KOOS scored from 0 to 100, 100 = best status. NPRS scored from 0 to 10, 10 = worst pain
  2. PFJ OA patellofemoral joint osteoarthritis, n number, NPRS numeric pain rating scale, KOOS Knee Injury and Osteoarthritis Outcome Score, ADL activity of daily living, Rec recreation, QOL quality of life, IQR interquartile range