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Table 3 Patient-reported outcome measures and physical activity level

From: Exercise therapy, patient education, and patellar taping in the treatment of adolescents with patellofemoral pain: a prospective pilot study with 6 months follow-up

  Baseline (± SD) 3-month follow-up (± SD) 6-month follow-up (± SD) Mean change from baseline to 3 months (95% CI) Mean change from 3 to 6 months (95% CI) Mean change from baseline to 6 months (95% CI)
KOOS pain 71 (± 13) 70 (± 16) 76 (± 14) 1 (− 8; 9) 6 (− 1; 10) 5 (− 2; 11)
KOOS symptom 76 (± 11) 77 (± 12) 81 (± 11) 0 (− 7; 6) 4 (− 1; 7) 5 (− 2; 11)
KOOS activities of daily living 79 (± 13) 82 (± 14) 87 (± 10) 2 (− 5; 9) 5 (0; 9) 7 (0; 13)
KOOS sport and recreation 58 (± 19) 62 (± 21) 68 (± 21) 4 (− 7; 14) 6 (− 4;16) 9 (1; 18)
KOOS quality of life 54 (± 12) 59 (± 21) 59 (± 21) 4 (− 4;11) 0 (− 10;10) 4 (− 4; 12)
Physical activity level (physical activity scale (METs)) 45.0 (± 8.3) 49.4 (± 10.7) 55.4 (± 13.0) 4.8 (− 1.8; 11.3) 6.2 (− 1.1;13.6) 10 (2; 19)
Health-related quality of life (EQ5D index**) 0.75 (0.72–0.78) 0.78 (0.72–0.82) 0.82 (0.72;0.84)    
Self-related health (EQ-VAS) 76 (± 22) 78 (± 15) 78 (± 17) − 1 (− 8; 9) 0 (− 8; 8) 1 (− 8; 6)
Worst pain last week (VAS* worst) 62 (± 19) 51 (± 27) 48 (± 27) − 10 (− 22; 3) − 3 (− 14; 8) − 13 (− 27; 1)
Pain during activity (VAS* activity) 56 (± 19) 37 (± 26) 37 (± 22) − 18 (− 30; 6) − 1 (− 7; 5) − 19 (− 30; −  8)
  1. *VAS visual analogue scale
  2. **Reported as median and interquartile range