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Table 1 Demographics for patients in the two study groups

From: Long-term survivorship of a medial-pivot total knee system compared with other cemented designs in an arthroplasty registry

  ADVANCE All Other Cemented TKAs
Mean age (years) 73.4 (24–90) 71.7 (24–92)
Male (%)/female (%) 27.7 %/72.3 % 29.0 %/71.0 %
Body mass index   
 Underweight (≤19) 0.2 % 0.2 %
 Normal (20–25) 27.8 % 19.3 %
 Overweight (26–29) 45.5 % 46.4 %
 Obese (≥30) 26.4 % 34.1 %
Indication for TKA   
 Primary arthritis (%) 89.9 % 87.1 %
 Deformity (%) 3.4 % 6.9 %
 Rheumatoid arthritis (%) 2.4 % 1.3 %
 Post-traumatic arthritis (%) 2.2 % 1.2 %
 Chondrocalcinosis (%) 1.0 % 1.0 %
 Sequelae of osteotomy (%) 0.6 % 0.8 %
 Other (%) 0.6 % 1.7 %