B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
26.9%
26.9% -- screen fail rate for site-sourced patient referrals (gastrointestinal study) (2025)
The screen fail rate for site-sourced patient referrals in an ongoing gastrointestinal clinical trial is 26.9%.
- Data from an ongoing study
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
26.9%
Unit
Percentage
Data Vintage
2025
Entity
Geography
Global
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
1nHealth
Primary
Tier B
https://www.1nhealth.com/are-site-referrals-truly-higher-quality-than-direct-to-patient-recruitment-… ↗
Source Article
Are site referrals truly higher quality than direct-to-patient recruitment ads? – 1nHealth
In clinical research, long-held beliefs about patient recruitment have shaped how trials are designed and executed. One of the biggest is that patients referred by clinical sites are higher quality and more likely to pass screening than those recruited digitally.
At first glance, it makes sense. Sit…
Original Research
1nHealth
· Original study ↗
Methodology
First-party data from 1nHealth's ongoing gastrointestinal clinical trial
Methodology documented
Segmentation
IndustryHealthcare
RegionGlobal
Channelmulti-channel
Cite this stat
Plain Text
site-sourced patient referrals (gastrointestinal study): 26.9% screen fail rate. Source: 1nHealth (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/1nhealth-site-screen-fail-26-9
HTML Embed
<blockquote cite="https://lighthousedata.io/data/1nhealth-site-screen-fail-26-9" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26.9%</strong> -- screen fail rate for site-sourced patient referrals (gastrointestinal study)<br><small>Source: 1nHealth (2025) · <a href="https://lighthousedata.io/data/1nhealth-site-screen-fail-26-9" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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