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Table 1 Preoperative demographic data of patients

From: Results of total knee arthroplasty for painless, stiff knees

  Mean value Range
Number of knees (patients) 15 (15)  
Mean follow-up period (years) 15.4 ± 6.1 (2.4–22.2)
Mean duration of stiffness (years) 17.5 ± 12.1 (2–45)
Mean age (years) 71.4 ± 12.8 (46–94)
Mean height (m) 1.56 ± 0.08 (1.4–1.6)
Mean body weight (kg) 59.9 ± 6.5 (48–66.3)
Mean body mass index (kg/m2) 24.4 ± 2.9 (21.5–28.9)
  1. The values are given as the mean ± standard deviation, with the range in parentheses
  2. Kg kilograms, M meters