Risk of Colorectal Cancer in Monoallelic and Biallelic Carriers of <i>MYH</i> Mutations: A Population-Based Case-Family Study
Why this work is in the frame
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Bibliographic record
Abstract
Previous case-control studies have suggested that carriers of monoallelic germline mutations in the MYH gene may be at increased risk of colorectal cancer. We applied a kin-cohort design, using a modified segregation analysis, to estimate the colorectal cancer risk using 300 first-degree relatives of 39 colorectal cancer cases who were monoallelic or biallelic carriers of MYH mutations. We found that monoallelic carriers had a 3-fold increased risk of colorectal cancer (hazard ratio, 2.9; 95% confidence interval, 1.2-7.0; P = 0.02) and biallelic carriers a 50-fold increased risk (hazard ratio, 53; 95% confidence interval, 14-200; P < 0.0001). This analysis illustrates the potential of family analysis to estimate cancer risk for low-frequency mutations and, based on the proportion of relatives predicted to be carriers, we believe that this constitutes the largest study of monoallelic carriers to date.
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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 | 0.001 |
| 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