Supra‐acetabular external fixation for pelvic fractures: A digital anatomical study
Why this work is in the frame
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Bibliographic record
Abstract
Supra-acetabular external fixation is an important tool for pelvic fractures. Understanding the anatomical characteristics of anterior inferior iliac spine (AIIS) is crucial for the operation. Here, we analyzed the morphology of AIIS and adjacent structures via a digital measurement mode. One hundred and twenty normal pelvic computed tomography (CT) scans were converted into three-dimensional digital models and their parameters were measured by Geomagics software. We obtained the values of 13 important AIIS anatomical characteristics, which were the perpendicular distance of the anterior superior iliac spine(ASIS) and AIIS (PDASIS-AIIS), the perpendicular distance between the AIIS and superior pubic tubercle (PDAIIS-PT), the distance between the AIIS and anterior median line (HDAIIS-ML), the angle of the pin tract line and the horizontal plane (AHOR), the transverse diameter of AIIS (TD), and the minimum diameter of the pin tract plane (DMIN), etc. Among them, six parameters showed significant difference between male and female (PDASIS-AIIS: P =0.040, PDAIIS-PT: P = 0.001, HDAIIS-ML: P = 0.019, AHOR: P = 0.021, TD: P < 0.001, and DMIN: P = 0.003, respectively). These results provided references in locating pinning site for a safer and more accurate supra-acetabular external fixation and also suggested that gender difference should be considered during the surgery.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it