Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Comparison between the two groups
From: Open technique for supra-acetabular pin placement in pelvic external fixation: a cadaveric study
Open (n = 8) | Percutaneous (n = 8) | p-value | |
|---|---|---|---|
Mean LFCN to pin distance (mm) | 12.0 ± 10.5 (0–30) | 18.7 ± 6.3 (10–30) | 0.164 |
Unable to identify LFCN | 0 (0%) | 1 (12.5%) | 1.000 |
Mean medial pin inclination (°) | 19.8 ± 10.2 (5–40) | 30.4 ± 9.6 (20–45) | 0.050 |
Mean cephalad pin inclination (°) | 11.5 ± 6.9 (0–20) | 19.3 ± 9.8 (2–35) | 0.089 |
Mean AIIS to pin distance (mm) | 11.1 ± 12.8 (0–35) | 15.1 ± 7.4 (0–25) | 0.456 |
Entry point of pin within 2 cm of AIIS | 7 (87.5%) | 7 (87.5%) | 1.000 |
Mean hip capsule to acetabulum distance (mm) | 13.5 ± 5.1 (9–25) | 10.4 ± 1.3 (8–12) | 0.115 |
Penetration of pin to hip capsule | 0 (0%) | 1 (12.5%) | 1.000 |
Penetration of pin to sciatic notch | 0 (0%) | 0 (0%) | 1.000 |
Time required, mean (mins) | 4.4 ± 1.3 (3–7) | 13.1 ± 1.9 (10–16) | < 0.001 |