Table 1.
Demographic and general data before matching.
| TKA | UKA | ALL | |
|---|---|---|---|
| Patients total (%) | 3798 (64.2%) | 2117 (35.8%) | 5915 (100%) |
| Age in years (median, mean ± SD) | 65, 67.6 ± 9.9 | 65, 65.3 ± 10.5 | 65, 66.7 ± 10.2 |
| Sex in % (female:male) | 61.1:38.9 | 55.4:44.6 | 59.1:40.9 |
| ASA score [median, mean ± SD] | 2, 2.3 ± 0.57 | 2, 2.17 ± 0.55 | 2, 2.26 ± 0.57 |
| Operation time in minutes (median, mean ± SD) | 70, 75 ± 28 | 78, 81 ± 36 | 72, 77 ± 31 |
| Pain before surgery NRS (median, mean ± SD) | 7.0, 6.5 ± 1.9 | 6.0, 6.4 ± 1.8 | 7.0, 6.5 ± 1.9 |
| Anesthetic technique used (general : regional : combination) (%) | 12.0 : 17.7 : 57.2 | 10.1 : 15.3 : 63.2 | 11.3 : 16.8 : 59.3 |
ASA—American Society of Anesthesiologists; UKA – unicompartmental knee arthroplasty, TKA – total knee arthroplasty; NRS—numeric rating scale; SD—standard deviation.