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Table 1 Baseline participant characteristics for the study cohort (n = 179); values are mean (SD) unless otherwise stated.

From: Predictors of short and long term outcome in patellofemoral pain syndrome: a prospective longitudinal study

Characteristics  
Age (years) 29.3 (5.8)
Number (%) of females 100 (55.9)
Height (cm) 173 (9.5)
Weight (kg) 74.7 (18.6)
Body Mass Index (kg/m2) 24.8 (5.1)
Physical activity* (kcal/kg) 41 (7.3)
Bilateral knee pain: Number (%) 102 (57)
Duration of knee pain (months): Median (IQR) 28 (12-84)
Usual pain^ 36.3 (16.6)
Worst pain^ 60.5 (15.9)
Kujala Patellofemoral Score 71.5 (9.8)
Functional index questionnaire 9.8 (2.1)
  1. * Physical activity over the previous week questionnaire, total energy expended per day.
  2. ^ Pain measured on a 100 mm visual analogue scale; 0 mm = no pain, 100 mm = worst pain imaginable.
  3. 0-100 points; 100 = no disability.
  4. 0-16 points; 16 = no disability.