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Table 2 Comparisons of change in Knee injury and Osteoarthritis Outcome Score (KOOS) [18, 19] subscales between exercise and control group

From: Six-week high-intensity exercise program for middle-aged patients with knee osteoarthritis: a randomized controlled trial [ISRCTN20244858]

KOOS Subscales Exercise group Control group
   Change in KOOS score* 95 % CI Change in KOOS score* 95 % CI p
Pain 6 w 1.8 -3.2 – 6.8 -0.3 -6.2 – 5.7 0.49
  6 m 3.1 -1.9 – 8.2 -1.1 -6.6 – 4.4 0.32
Symptom 6 w 0.2 -5.1 – 5.6 -3.8 -7.7 – 0.0 0.07
  6 m 1.0 -3.8 – 5.8 -3.4 -8.8 – 1.9 0.31
ADL 6 w 2.0 -2.3 – 6.3 -0.6 -7.0 – 5.8 0.96
  6 m 0.9 -3.8 – 5.6 -1.9 -7.7 – 3.9 0.61
SportRec 6 w 1.2 -7.9 – 10.4 -4.4 -12.6 – 3.7 0.22
  6 m 0.5 -10.1 – 11.2 -8.3 -19.5 – 2.8 0.32
QOL 6 w 4.0 -0.4 – 8.5 -0.7 -5.6 – 4.3 0.05
  6 m 5.1 -0.7 – 11.0 -2.3 -9.5 – 4.9 0.02
  1. * negative = worsening, positive = improvement
  2. p-value for between group differences in change over time
  3. [18, 19]
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