n2c2: National NLP Clinical Challenges (n2c2)
The n2c2 (formerly known as i2b2) system is a scalable computational framework for managing human health data. The dataset consists of all electronic records (psychiatric and non-psychiatric) from 127,504 patients using the i2b2 Workbench software, which have a billing diagnosis of major depressive disorder, drawn from out-patient psychiatry practices affiliated with multiple, large hospitals in New England, United States of America.
Study design
Registry
Number of participants at first data collection
127,504 (participants)
Age at first data collection
Varied (participants)
Participant year of birth
Varied (participants)
Participant sex
All
Representative sample at baseline?
No
Sample features
Country
Year of first data collection
2006
Primary Institutions
Massachusetts General Hospital (MGH)
Profile paper DOI
Not available
Funders
National Library of Medicine
National Institute of Mental Health (NIMH)
Ongoing?
Yes
Data types collected
- Secondary data
- None
- None
- Census data
- Healthcare data
Engagement
Keywords
