Table 2.
Demographic and general data after matching.
| TKA | UKA | All | |
|---|---|---|---|
| Patients total (%) | 2072 (50%) | 2072 (50%) | 4144 (100%) |
| Age in years (median, mean ± SD) | 65, 65.6 ± 10.1 | 65, 65.6 ± 10.1 | 65, 65.6 ± 10.1 |
| Sex in % (female:male) | 55.9 : 44.1 | 55.9 : 44.1 | 55.9 : 44.1 |
| ASA score [median, mean ± SD] | 2, 2.2 ± 0.5 | 2, 2.2 ± 0.5 | 2, 2.2 ± 0.5 |
| Operation time in minutes (median, mean ± SD) | 69, 75 ± 29 | 78, 81 ± 36 | 72, 78 ± 33 |
| Pain before surgery NRS (median, mean ± SD) | 6.0, 6.4 ± 1.9 | 6.0, 6.4 ± 1.8 | 6.0, 6.4 ± 1.8 |
| Anesthetic technique used (general:regional:combination) (%) | 11.2:18.7:63.9 | 10.1:15.3:63.2 | 10.7:17.0:63.5 |
ASA—American Society of Anesthesiologists; UKA—unicompartmental knee arthroplasty, TKA—total knee arthroplasty; NRS—numerous rating scale; SD—standard deviation.