Key result
Group visits in a pharmacist-managed anticoagulation clinic resulted in a similar percentage of INR values within the therapeutic range compared to individual appointments (59% vs 56.6%; p=0.536).
Why the study?
Do group visits maintain therapeutic INR values as effectively as individual appointments in patients on chronic warfarin therapy?
Population
153 patients taking warfarin therapy for at least 30 days with a goal INR range in a managed-care ambulatory…
Comparison
Group visits in a pharmacist-managed… vs Individual point-of-care anticoagulation…
Design
RCT, Randomly invited to participate in group visits at a routine…
Follow-up
16 weeks
Authors
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Supports group visits as an efficient alternative in pharmacist anticoagulation clinics; confirms comparable INR control to individual visits.
RCT (n=153)
Randomized
No
Do group visits maintain therapeutic INR values as effectively as individual appointments in patients on chronic warfarin therapy?
Absolute Event Rate: 59% vs 56.6%
p-value: p=0.536
Group visits in a pharmacist-managed anticoagulation clinic are as effective as individual appointments for maintaining therapeutic INR levels, offering a safe alternative care delivery model.
Griffin et al. (2009) conducted an RCT in Warfarin therapy (n=153). Group visits vs. Individual appointments was evaluated on Percentage of INR values within the therapeutic range (p=0.536). Group visits in a pharmacist-managed anticoagulation clinic resulted in a similar percentage of INR values within the therapeutic range compared to individual appointments (59% vs 56.6%; p=0.536).
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