Psychosocial issues following a positive result of genetic testing for BRCA1 and BRCA2 mutations: findings from a focus group and a needs-assessment survey.
Bibliographic record
Abstract
BACKGROUND: About 5% of cases of breast cancer and 10% of cases of ovarian cancer are due to an inherited predisposition. Since 1994 it has been possible to test some people at high risk for inherited mutations to the BRCA1 and BRCA2 genes. The purpose of our study was to explore how genetic testing had affected people found to have a BRCA mutation and their families, and to determine whether there was interest in a peer-support group. METHODS: All people given positive results of genetic testing for BRCA1 and BRCA2 mutations at either of 2 familial breast cancer clinics were invited to participate in a focus group and complete a questionnaire. Those who did not attend or who received positive results after the focus group were mailed the questionnaire. Information was sought on the effect of testing on cancer risk perception and worry about cancer, communication of test results to family members, attitudes toward surveillance and toward prevention options, satisfaction with clinical services, need for additional support and satisfaction with decision to undergo testing. RESULTS: Eight of the 27 people invited to participate in the focus group attended. Sixteen of the 26 who were mailed the questionnaire completed and returned it. Although cancer risk perception and worry increased after receipt of the test results, the participants did not regret their decision to undergo testing. Confidence in the efficacy of cancer surveillance was high. Prophylactic oophorectomy was much more acceptable than prophylactic mastectomy. Almost all (92% [22/24]) were satisfied with the clinical services they had received; however, all were dissatisfied with the lengthy wait for test results. Nine (38%) of the participants felt they would benefit from a support group. INTERPRETATION: Adequate resources must be made available to clinical programs providing BRCA1 and BRCA2 mutation testing to ensure appropriate pretest counselling and timely availability of results. Organization of support groups for people found to have the gene mutations should be a priority for these programs.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.009 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".