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Table 1 Patients’ background characteristics

From: No patella resurfacing total knee arthroplasty leads to reduction in the thickness of patellar cartilage to less than half within 5 years: a quantitative longitudinal evaluation using MRI

Variable Frequency
Age (y) 72.2 (7.3)
Male/female (patients) 5/35
Right/left side (knees) 31/28
BMI (kg/m2) 25.3 (4.3)
  1. Data are reported as mean (standard deviation)
  2. BMI body mass index