Table 1.
Comparison of the examination groups (SG, CG I [primary arthroplasty], CG II [aseptic revision]) with respect to the number of subjects, median age [min–max], number [absolute, %] of male subjects, THA or TKA and known osteoporosis
| SG | CG I | CG II | |
|---|---|---|---|
| Number of subjects | 80 | 80 | 80 |
| Median age in years (min–max) | 74 (35–92) | 71 (39–87) | 70 (40–85) |
| Number of male patients (%) | 39 (48.8) | 39 (48.8) | 35 (43.8) |
| Number of THA (%) | 38 (47.5) | 38 (47.5) | 43 (53.8) |
| Number of TKA (%) | 42 (52.5) | 42 (52.5) | 37 (46.3) |
| Number of known osteoporosis (%) | 21 (26.3) | 15 (18.8) | 19 (23.8) |
Abbreviations: CG, control group; max, maximum; min, minimum; SG, study group; THA, total hip arthroplasty; TKA, total knee arthroplasty.