Early Results of a New Rotating Hinge Knee Implant

Table 1

Demographic and indication parameters of 152 study cases.

Age (mean, range)	72.3; 48–90
Body mass index (mean, range)	29.8; 15–50
Male/female	47/105
Primary	90 (59.2%)
Severe primary (varus/valgus/instable)	85 (55.9%)
Rheumatoid arthritis	1 (0.7%)
Posttraumatic arthritis	3 (1.9%)
Postinfectious arthritis	1 (0.7%)
Revision	62 (40.8%)
Septic loosening	19 (12.5%)
Aseptic loosening	20 (13.2%)
Instability after primary TKA	23 (15.1%)