Duration after surgery | Additional periarticular injection (21 patients) | No additional injection (20 patients) |
---|---|---|
Flexion angle* | ||
Postoperative day 1 | 71 ± 13 | 71 ± 13 |
Postoperative day 2 | 77 ± 10 | 80 ± 8 |
Postoperative day 3 | 87 ± 10 | 85 ± 9 |
Postoperative day 4 | 92 ± 9 | 90 ± 10 |
Postoperative day 5 | 94 ± 10 | 94 ± 9 |
Extension angle† | ||
Postoperative day 1 | −8 ± 3 | − 8 ± 5 |
Postoperative day 2 | − 8 ± 3 | − 9 ± 5 |
Postoperative day 3 | −7 ± 3 | − 8 ± 4 |
Postoperative day 4 | −6 ± 4 | −7 ± 4 |
Postoperative day 5 | −6 ± 4 | −6 ± 5 |