| Evaluated Factor | n | % | p-value¹ |
| Length of hospital stay |
|
|
|
| 4 days | 16 | 30.8 | 0.926 |
| 5 days | 18 | 34.6 | |
| 6 or more | 18 | 34.6 | |
| Minimum-maximum | 4 - 51 | - | |
| Average ± Standard Deviation | 7.2 ± 8.5 | - | |
| Type of surgery |
|
|
|
| TKA―right knee | 38 | 47.5 | 0.655 |
| TKA―left knee | 42 | 52.5 | |
| Duration of surgery (in hours) |
|
|
|
| Up to 2 hours | 15 | 18.5 | <0.001 |
| Between 2 and 3 hours | 60 | 74.1 | |
| Above 3 hours | 6 | 7.4 | |
| Minimum-maximum | 1.6 - 3.3 | - | |
| Average ± Standard Deviation | 2.4 ± 0.4 | - | |