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Table 1 Patients Characteristics of the Two Study Groups*

From: A treatment applying a biomechanical device to the feet of patients with knee osteoarthritis results in reduced pain and improved function: a prospective controlled study

Characteristic Active
(N = 31)
Control
(N = 26)
P Value†
Age 64.0 ± 8.1 66.0 ± 7.8 0.31
Female - no. (%) 23 (74) 19 (73)  
Kellgren and Lawrence (K&L)    
   K&L 2 - no. (%) 3 (10) 7 (27) 0.155
   K&L 3 - no. (%) 11 (36) 5 (19)  
   K&L 4 - no. (%) 17 (55) 14 (54)  
Body Mass Index (BMI) 30.3 ± 4.30 29.7 ± 3.79 0.56
  1. * Mean values are presented as mean ± SD
  2. † P values for the difference between the groups' baseline characteristics.
  3. There were no significant differences between the groups at baseline