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Table 2 Changes in SF-36 quality of life following 6 months of therapy

From: Patients with knee osteoarthritis demonstrate improved gait pattern and reduced pain following a non-invasive biomechanical therapy: a prospective multi-centre study on Singaporean population

Parameter Baseline 3 months 6 months P value
Physical function 45.2 (20.1) 56.9 (19.7) 61.9 (21.5) <0.001
[39.7–50.7] [51.6–62.3] [56.0–67.7]
Limitation due to physical health 29.8 (34.0) 55.3 (42.4) 75.0 (33.6) <0.001
[20.4–39.3] [43.5–67.1] [65.7–84.3]
Limitations due to emotional problems 59.8 (44.5) 71.8 (39.8) 84.6 (28.4) <0.001
[47.4–72.2] [60.7–82.9] [76.7–92.5]
Vitality 52.5 (17.2) 58.9 (17.0) 60.3 (17.8) 0.004
[47.8–57.2] [54.2–63.5] [55.4–65.1]
Emotional well being 68.0 (10.9) 69.9 (11.7) 71.0 (9.5) 0.061
[65.1–71.0] [66.7–73.0] [68.5–73.6]
Social functioning 65.6 (22.9) 73.8 (21.9) 75.7 (19.9) 0.004
[59.3–71.8] [67.9–79.8] [70.3–81.2]
Pain 48.3 (20.0) 63.4 (20.7) 62.3 (21.3) 0.001
[42.8–53.8] [57.7–69.0] [56.4–68.1]
General health 50.5 (19.1) 60.1 (19.1) 66.3 (17.1) <0.001
[44.3–55.7] [54.9–65.3] [61.6–70.9]
Physical Score 44.7 (14.5) 59.0 (18.0) 65.3 (17.7) <0.001
[40.8–48.7] [54.1–64.0] [60.5–70.1]
Mental Score 58.5 (16.0) 67.0 (16.3) 71.7 (13.4) <0.001
[54.2–62.9] [62.5–71.4] [68.0–75.3]
  1. SF-36 Health Survey includes 36 questions. Results range between 0 and 100 (0 = poor quality of life, 100 = high quality of life). Set P < 0.05.