Table 2 Projective angle measurements (in degrees) made using K-wires (intraoperatively), the BGS (intraoperatively), and postoperative CT reformats
From: Clinical evaluation of a biomechanical guidance system for periacetabular osteotomy
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
K-wires | ||||||||||||
Adduction | 15 | 8 | 40 | 25 | 25 | 20 | 20 | 35 | 15 | 20 | 12 | 20 |
Extension | 10 | 0 | 25 | 10 | 7 | 23 | 12 | 20 | 0 | 5 | 10 | 15 |
Anteversion | 3 | 0 | 5 | 0 | 0 | 0 | −20 | 0 | 0 | 3 | 0 | 0 |
Intraoperative | ||||||||||||
Adduction | 13 | 17 | 28 | 14 | 12 | 17 | 5 | 18 | 14 | 17 | 9 | 20 |
Extension | 6 | 2 | 1 | 4 | 7 | 10 | 15 | 17 | 2 | 5 | 2 | 8 |
Anteversion | 9 | 6 | 8 | 5 | 1 | 4 | 8 | 10 | 6 | 3 | 1 | 11 |
Postoperative | ||||||||||||
Adduction | 12 | 11 | 19 | 13 | 10 | 8 | 2 | 19 | 8 | 17 | ||
Extension | 3 | 3 | 5 | 3 | 15 | 12 | 3 | 15 | 3 | 8 | ||
Anteversion | 6 | 6 | 11 | 1 | 7 | 6 | 5 | 13 | 7 | 3 | ||