Clinical Indicators for Differential Diagnosis of Acute Lower Abdominal Pain in Women of Reproductive Age
Why this work is in the frame
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Bibliographic record
Abstract
Background: Acute lower abdominal pain in women of reproductive age is a challenging condition for clinical diagnosis. Computerized tomography yields high accuracy, but may not be cost-effective in low-middle income countries. Selective diagnostic approach based on clinical findings may be more appropriate. Methods: Medical record review was performed on patients aging between 15 - 50 years who admitted to the surgical department or obstetrics and gynecology (OB-GYN) unit because of acute lower abdominal pain during January to December 2008. Patients were eventually categorized into appendicitis, OB-GYN conditions, or non-specific abdominal pain (NSAP). Clinical indicators were studied for diagnostic values using polytomous logistic regression applied to likelihood ratio for positive test (LR + ) and confidence interval (CI). Results: Anorexia, nausea and vomiting, shifting of abdominal pain decreased the likelihood of OB-GYN conditions. Diarrhea increased the likelihood of NSAP. Right lower quadrant tenderness increased the likelihood of appendicitis but decreased the likelihood of OB-GYN conditions. Left lower quadrant tenderness decreased the likelihood of appendicitis but increased the likelihood of OB-GYN. Guarding or rebound tenderness increased the likelihood of appendicitis but reduced the likelihood of NSAP. Leucocytosis (white blood cell count >= 10,000) increased the likelihood of appendicitis but reduced the likelihood of OB-GYN and NSAP. Neutrophil >= 75% increased the likelihood of OB-GYN but decreased the likelihood of NSAP. Pregnancy reduced the likelihood of appendicitis and increased the likelihood of OB-GYN. Conclusion: Gastrointestinal symptoms, sites of abdominal tenderness, guarding or rebound tenderness, leucocytosis, neutrophil >= 75% and pregnancy are clinical indicators that may help differentiating appendicitis, common OB-GYN conditions, or NSAP in acute lower abdominal pain in women of reproductive age. doi: http://dx.doi.org/10.4021/jcs179w
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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 | 0.003 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 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) | 0.000 | 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