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Table 1 Patients’ characteristics

From: A non-invasive, home-based biomechanical therapy for patients with spontaneous osteonecrosis of the knee

  Mean (SD) Range
Male/female (%) 7/10 (41/59)  
Age (years) 65.2 (9.7) 41–85
Weight (kg) 83.1 (13.0) 58–105
Height (cm) 162.6 (11.3) 142–183
Duration of symptoms (months) 6.2 (5.5) 1–24