Table 1.
Dosing Protocols for the Study Arms
Period | Initial (d) | Adjustment (d) | Maintenance (d) | Normalized Complexity Score |
---|---|---|---|---|
Study Arm | ||||
Fixed-dose (Control) protocol AAA | Aurora (1–2) | Aurora (3–7) | Aurora (8–90) | 1.00 |
Clinically guided protocol CAA | IWPC Clinical (1–2) | Aurora (3–7) | Aurora (8–90) | 1.38 |
PG-guided protocol PGAA | IWPC PG (1–2) | Aurora (3–7) | Aurora (8–90) | 1.93 |
PG-guided protocol PGPGI | Modified IWPC PG (1–3) | Lenzini PG (4–5) | Intermountain (6–90) | 2.50 |
PG-guided protocol PGPGA | Modified IWPC PG (1–3) | Lenzini PG (4–5) | Aurora (6–90) | 2.56 |
All complexity scores are normalized against the least complex warfarin therapy protocol used in this study, the Aurora best-practice fixed-dose warfarin therapy protocol. D, days; Intermountain, Intermountain Healthcare Chronic Anticoagulation Clinic Protocol; IWPC, International Warfarin Pharmacogenetics Consortium.