Table 1 Characteristics of the primary TKA cohort preoperatively and at 2-year follow-up
|  | Preoperatively (n = 7,229) | 2-year (n = 7,139) |
|---|---|---|
Gender | Â | Â |
    Females | 55% | 56% |
    Males | 45% | 44% |
Age | Â | Â |
    ≤60 | 19% | 18% |
    >60- 70 | 35% | 35% |
    >70- 80 | 38% | 38% |
    >80 | 8% | 8% |
BMI | Â | Â |
    <25 | 13% | 13% |
    25.1- 30 | 35% | 35% |
    30.1- 35 | 30% | 29% |
    35.1- 40 | 14% | 14% |
    >40 | 8% | 9% |
ASA class | Â | Â |
    I-II | 57% | 58% |
    III-IV | 43% | 42% |
Diagnosis | Â | Â |
    Inflammatory arthritis | 4% | 4% |
    Osteoarthritis | 94% | 94% |
    Other | 2% | 2% |
Cement fixation | Â | Â |
    Uncemented | 2% | 2% |
    Cemented/ hybrid | 98% | 98% |