From: Development of a novel customized cutting and rotating template for Bernese periacetabular osteotomy
Parameters | New developed PAO | Conventional PAO | p value |
---|---|---|---|
Duration of operation (min) | 102 ± 7 (92 to 110) | 117 ± 19 (93 to 148) | < 0.01 |
Bleeding volume (ml) | 695 ± 119 (623 to 833) | 545 ± 81 (415 to 710) | 0.0617 |
Irradiation times (NO) | 4 ± 1 (3 to 6) | 7 ± 2 (5 to 10) | < 0.01 |
Harris hip score | |||
 Preoperative | 66 ± 5 (61 to 77) | 67 ± 5 (61 to 78) | 0.4118 |
 Last follow-up | 94 ± 2 (92 to 97) | 91 ± 1 (90 to 94) | < 0.01 |
 Improvement | 27 ± 4 (19 to 34) | 24 ± 5 (12 to 30) | < 0.01 |
Visual analogue scale | |||
 Preoperative | 3.2 ± 0.6 (2.5 to 4.5) | 3.0 ± 0.4 (2.6 to 3.6) | 0.1586 |
 Last follow-up | 1.0 ± 0.8 (0 to 2.6) | 1.3 ± 0.9 (0 to 2.8) | 0.2531 |
 Improvement | 2.1 ± 1.0 (0.2 to 3.8) | 1.7 ± 1.1 (0 to 2.9) | < 0.01 |