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Table 3 Outcome measures and proportions of patients with meaningful change or no change

From: The AktiWeb study: feasibility of a web-based exercise program delivered by a patient organisation to patients with hip and/or knee osteoarthritis

  N Baseline
Mean (SD)
Follow-up
Mean (SD)
Mean change
(95% CI)
Proportion improved Proportion
no change
Proportion worsened
Physical activity
 Counts per minute/day 8 295.2 (70.7) 390.2 (110.8) 94.9 (45.0 to 144.8)    
 MVPA minutes/day 8 33.2 (17.1) 49.6 (22.2) 16.4 (6.9 to 25.9)    
Cardiorespiratory fitness, VO2peak (ml/kg/min) 8 25.05 (5.93) 26.88 (6.79) 1.83 (0.29 to 3.36)    
HOOS/KOOS, normalised scores (0–100, 100 = best score)
 Symptoms 21 46.0 (17.0) 55.3 (17.1) 9.3 (4.6 to 14.0) 48% 48% 5%
 Pain 20 55.1 (19.5) 61.5 (20.2) 6.4 (1.5 to 11.3) 40% 55% 5%
 ADL 21 62.7 (18.7) 71.8 (19.2) 9.1 (5.3 to 13.0) 52% 43% 5%
 Sports/Rec 20 35.3 (26.1) 40.3 (29.1) 5.0 (− 2.4 to 12.3) 30% 45% 25%
 QoL 21 34.7 (13.6) 42.7 (17.8) 8.0 (1.8 to 14.3) 43% 43% 14%
Numeric Rating Scales (NRS), 0–10, 0 = no pain
 NRS pain, last week 20 5.2 (2.2) 4.5 (2.4) 0.7 (− 0.1 to 1.4) 30% 60% 10%
 NRS fatigue, last week 22 3.8 (3.1) 3.1 (2.7) 0.6 (− 0.5 to 1.8) 45% 41% 14%
 NRS disease activity, last week 22 5.4 (2.1) 4.5 (2.1) 0.9 (− 0.1 to 1.9) 41% 41% 18%
Health-related quality of life
 EQ-5D-5L utility score (− 0.59 to 1) 16 0.79 (0.14) 0.85 (0.11) 0.06 (0.03 to 0.09) 38% 56% 6%
 EQ-5D VAS (0–100, 100 = best health) 17 61.9 (15.1) 70.5 (18.3) 8.6 (1.2 to 16.0) 47% 41% 12%
Arthritis Self-Efficacy Scale
 Pain, mean (0–100) 20 57.4 (13.6) 56.5 (12.2) 0.9 (− 7.4 to 9.1) 30% 50% 20%
 Symptoms, mean (0–100) 21 54.6 (10.9) 58.1 (-14.6) − 3.5 (− 9.0 to 2.0) 38% 48% 14%
Exercise beliefs
 Self-efficacy, sum score (4–20) 21 14.8 (2.4) 16.8 (2.3) − 2.0 (− 3.5 to − 0.4) 48% 43% 10%
 Barriers to exercise, sum score (3–15) 20 11.7 (2.1) 11.8 (2.1) − 0.1 (− 0.9 to 0.7) 25% 55% 20%
 Benefits of exercise, sum score (5–25) 21 20.0 (3.2) 20.7 (2.5) − 0.8 (− 0.2 to 0.5) 30% 55% 15%
 Impact of exercise on arthritis, sum score (8–40) 21 31.9 (4.6) 33.2 (4.5) − 1.3 (− 2.7 to 0.1) 24% 76% 0%
  1. SD standard deviation, 95% CI 95% confidence interval, MVPA moderate to vigorous physical activity, VO2peak peak oxygen uptake, HOOS Hip disability and Osteoarthritis Outcome Score, KOOS Knee injury and Osteoarthritis Outcome score, ADL function in daily living, Sport/Rec function in sport and recreation, QoL hip/knee-related quality of life