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Table 1 Demographics of Enrolled Patients

From: A prospective evaluation of a largely cementless total knee arthroplasty cohort without patellar resurfacing: 10-year outcomes and survivorship

Patients/Knee (n) 237//240
Gender (Patients (%)
 Male 91 (38.4%)
 Female 146 (61.6%)
Age at operations (years)
 Mean (years) 70.3
 Minimum (years) 39
 Maximum (years) 89
Age groups (knees) (%)
  < 50 years 7 (3%)
 50–69 years 94 (39%)
 70–79 years 110 (46%)
 80–89 years 29 (12%)
Body Mass Index (kg/m2)
 Mean 28.8
 Minimum 18
 Maximum 45
BMI groups (kg/m2)
 Underweight (<  18.5) 1 (0.5%)
 Normal (18.5–24.9) 45 (19%)
 Overweight (25.0–29.9) 103 (43%)
 Obese class 1(30.0–34.9) 71 (29.5%)
 Obese class 2 (35–39.9) 17 (7%)
 Morbidly obese ≥40 3 (1%)
Primary Diagnosis
 Osteoarthritis 226 (94.2%)
 Post traumatic Arthritis 1 (0.4%)
 Rheumatoid Arthritis 11 (4.6%)
 Other 2 (0.8%)