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Table 1 Demographics and characteristics of patients [Mean ± SD, or n (%)]

From: Primary total knee arthroplasty using constrained condylar knee design for severe deformity and stiffness of knee secondary to post-traumatic arthritis

Demographic parameters (N = 34) Mean ± SD, or n (%) Range
Age (years) 58 ± 9.88 33–73
Male/female 21/13  
Right/left 16/18  
BMI (kg/m2) 24.86 ± 1.27 21.80–27.6
Trauma to TKA gap (years) 7.73 ± 6.37 1–26
Prior surgery (yes/no) 30/4  
Follow-up (years) 6.47 ± 1.99 3–9.5
Primary diagnosis, n (%) Proximal tibia fracture, 20 (58.8%)  
Distal femur fracture, 9 (26.5%)
Tibia and femur fracture, 4 (11.8%)
Femur and patella fracture, 1 (2.9%)
  1. N total sample, n number of cases, BMI body mass index, TKA total knee arthroplasty, SD standard deviation