Early Morning Blood Draw Timing and Frequency Among Hospitalized Patients
This cohort study evaluates the frequency of early morning blood draws in 18 hospitals in Ontario, Canada, and assesses variability in phlebotomy practices between institutions and over time.
Authors
- Anne Löffler (ORCID: https://orcid.org/0000-0001-9086-1290)
- Michael Colacci (ORCID: https://orcid.org/0000-0003-4898-6684)
- William K. Silverstein (ORCID: https://orcid.org/0000-0002-4133-7369)
- Surain B. Roberts (ORCID: https://orcid.org/0000-0001-8792-2240)
- Adina S. Weinerman (ORCID: https://orcid.org/0000-0002-5527-7619)
- Fahad A. Razak
- Amol A. Verma
Institutions
- St. Michael's Hospital (CA)
- Sunnybrook Health Science Centre (CA)
- University of Toronto (CA)
- Health Sciences Centre (CA)
Publication Details
- Journal
- JAMA Network Open
- Published
- 2026-03-11
- DOI
- https://doi.org/10.1001/jamanetworkopen.2026.0966
- Primary Topic
- Hospital Admissions and Outcomes
- Type
- article
- Field-Weighted Citation Impact
- 0.00