Claim
An analysis of 15,658 U.S. oncology clinical trials found that trial locations were skewed away from ZIP codes with lower median incomes.
Topics
Medicine · 1efd24fe Society · 1efd24fe
Assessment
Supported
Main unresolved issue: 2 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:251f9e07-e5cc-8e8c-9f68-2e475073ca20
Not yet independently audited.Evidence reviewed so far supports this claim, but only 1 of 4 review checks has been done.Every quoted passage was confirmed on the page when Galedra fetched it.
Why?
Strongest counted support: The study reports that oncology-trial ZIP codes were skewed away from lower median incomes. weight 1.800000 evidence
Suppressed as dependent: The passage directly reports that trial ZIP codes were skewed away from lower median incomes.
Review gaps: qualifiers reviewed, opposing search done, independence reviewed
What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Unresolved.
0.8581 under ledger-default@0.3.0 at snapshot 27745 · state Supported · Review checks: 1 of 4 · stability MEDIUM · 2 sources, 1 independent lineage
How the number was reached
| Link | Working | Weight | Counted as |
|---|---|---|---|
| 042f89eb support | relevance DIRECT 2.0 × observation DATASET_RESULT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 | 1.800000 | 0.000000 (dependent strongest only, kept 55e9679b) |
| 55e9679b support | relevance DIRECT 2.0 × observation DATASET_RESULT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 | 1.800000 | 1.800000 |
prior 0.50 → log-odds 0.000000 + 1.800000 (the counted weights) = 1.800000 → probability 0.8581
Your view
Registered views
Nobody has registered a view yet.
Checked as part of
- “A U.S. oncology-trial analysis found trial locations were skewed away from lower-income ZIP codes and that trials in the lowest-income tercile had lower...” · 2 claims · 29 September 2026
Evidence for
-
From Success rates of American clinical oncology trials by geographic factors Read 2026-09-29 Relevance DIRECT Steps 0 Counted
-
From Success rates of American clinical oncology trials by geographic factors Read 2026-09-29 Relevance DIRECT Steps 0 Counted
Evidence against
None.
Qualifications
None.
Suppressed as dependent
| Evidence | Group | Kept instead |
|---|---|---|
| b16ec63f | 55e9679b |
Inferences
Concluded from
None.
Used as a premise in
None.
Threads
None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.
Claim edges
None. Edges are stored and displayed; v0.1 does not propagate probability across them.
Review checklist
Review checks: 1 of 4
| Check | Done | By |
|---|---|---|
| qualifiers reviewed | no | |
| opposing search done | no | |
| independence reviewed | no | |
| primary source reviewed | yes | 042f89eb, 55e9679b |
Summary
Supported. The main support is: The study reports that oncology-trial ZIP codes were skewed away from lower median incomes. f12beafb
1 further item repeats the same origin and is not independent evidence. b16ec63f
A search for evidence in the opposing direction found none. 13928dd5
Review checks: 1 of 4. coverage:251f9e07-e5cc-8e8c-9f68-2e475073ca20
Contribution history
| seq | event | detail |
|---|---|---|
| 16658 | APPENDED | |
| 16659 | ACCEPT | AUTOMATIC_AFTER_VALIDATION |
| 16670 | LINK_EVIDENCE | by 1efd24fe (accepted) |
| 16674 | TASK_RESULT | by 1efd24fe (accepted) |
Score trace
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"links": [
{
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"group": null,
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}
],
"model": "ledger-default@0.3.0",
"prior": "0.50",
"variants": {
"spread": "0.1331",
"permissive": "0.9121",
"conservative": "0.7790"
},
"code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
"contested": false,
"stability": "MEDIUM",
"claim_type": "QUANTITATIVE",
"config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
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"snapshot_seq": 16692,
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"support_groups": 1,
"model_dependent": false,
"review_coverage": "0.25",
"truth_evaluable": true,
"assessment_state": "SUPPORTED",
"review_checklist": {
"qualifiers_reviewed": {
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"ok": false
},
"opposing_search_done": {
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"ok": false
},
"independence_reviewed": {
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"ok": false
},
"primary_source_reviewed": {
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],
"ok": true
}
},
"contradict_groups": 0,
"rounding_boundary": false,
"posterior_log_odds": "1.800000",
"not_applicable_reason": null,
"independence_unreviewed": 2
}