Table 3 Changes in gap and correction amount before and after high tibia osteotomy according to block use
Block (n = 49) | No block (n = 58) | p value | |
|---|---|---|---|
Preoperative HKA angle (°) | 7.8 ± 2.6 | 7.2 ± 2.2 | 0.259 |
Immediate postoperative HKA angle (°) | − 0.9 ± 2.2 | − 2.3 ± 2.3 | 0.003 |
Postoperative 1 year HKA angle (°) | − 0.7 ± 2.1 | − 2.1 ± 2.1 | 0.002 |
Immediate HKA change (°) | 8.7 ± 3.1 | 9.5 ± 3.7 | 0.254 |
HKA change after 1 year (°) | 8.5 ± 3.0 | 9.3 ± 3.5 | 0.244 |
Preoperative MPTA (°) | 85.3 ± 2.1 | 85.0 ± 2.6 | 0.478 |
Postoperative MPTA (°) | 92.0 ± 2.6 | 92.4 ± 2.9 | 0.488 |
MPTA change (°) | 6.7 ± 3.3 | 7.4 ± 3.2 | 0.270 |
Preoperative PTS (°) | 10.3 ± 2.4 | 10.0 ± 3.1 | 0.606 |
Immediate postoperative PTS (°) | 11.6 ± 3.4 | 10.8 ± 4.2 | 0.349 |
Postoperative 1 year PTS (°) | 11.3 ± 3.0 | 10.6 ± 4.1 | 0.415 |
Immediate PTS change (°) | 1.3 ± 3.0 | 0.8 ± 4.3 | 0.517 |
PTS change after 1 year(°) | 1.0 ± 2.8 | 0.6 ± 3.9 | 0.434 |
Real AG (mm) | 6.4 ± 1.6 | 7.1 ± 2.6 | 0.065 |
Real PG (mm) | 8.8 ± 1.7 | 9.8 ± 2.6 | 0.022 |
AG:PG ratio | 72.7 ± 10.3 | 73.0 ± 13.2 | 0.882 |