
Open Access statistics for Patient-Centered Outcomes Research Institute, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
65%
Total
Publications
990
Total Open
Publications
641
Total
Citations
42K
Open Access
Percentage
65%
Total
Publications
990
Total Open
Publications
641
Total
Citations
42K
Breakdown
Publisher Open
16%
Both
37%
Other Platform Open
11%
Closed
36%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 44%
223
Hybrid 25%
125
No Guarantees 31%
157
Other Platform Open
Domain 83%
380
Institution 40%
183
Other Internet 8%
38
Preprint 3%
14
Public 1%
3
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 384 |
doaj.org OAI-PMH Repository | Institution | 95 |
Unknown Repository | Other Internet | 28 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 24 |
University of Birmingham | Institution | 18 |
DOI | Other Internet | 12 |
California Digital Library | Institution | 12 |
Royal Netherlands Academy of Arts and Sciences | Institution | 11 |
Europe PMC | Domain | 11 |
Research Square | Preprint | 8 |