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Table 1 Baseline characteristics of the subjects by radiographic progression

From: Relationship between radiographic changes and symptoms or physical examination findings in subjects with symptomatic medial knee osteoarthritis: a three-year prospective study

  Subjects with progressed jointsa Subjects with non-progressed jointsb p valuec
Number of subjects 26 (34 joints) 42 (72 joints)  
Male 3 (4 joints) 7 (14 joints) 0.730 (0.413)d
Female 23 (30 joints) 35 (58 joints)  
Age 70.6 ± 9.4 71.7 ± 6.5 0.606
BMI 25.7 ± 2.8 25.2 ± 2.2 0.883
JKOM (total score) 63.6 ± 16.2 58.7 ± 15.1 0.389
K-L score 1.84 ± 0.64 1.85 ± 0.67 0.937
JSW (mm) 2.86 ± 1.18 3.18 ± 1.21 0.411
Osteophyte score 3.96 ± 2.18 3.71 ± 2.21 0.827
  1. asubjects who had at least one progressed joint; bsubejcts without progressed joints; cdetermined by Fischer's exact test; dsex ratio of subjects (joints). BMI: body mass index; JKOM: Japanese Knee Osteoarthritis Measure (reference 26); JSW: joint space width; K-L score: Kellgren-Lawrence score (reference 5).