Key result
Only 48.5% of patients on warfarin therapy achieved the target therapeutic range for their international normalized ratio (INR), falling short of the acceptable 60% threshold.
Population
136 patients attending the INR Clinic at Victoria Hospital in Cape Town, South Africa, on warfarin therapy…
Design
Cross-sectional
Authors
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Suboptimal INR control may raise adverse event risks; leaves open optimal monitoring strategies in primary care.
Cross-Sectional (n=136)
No
Less than half of patients on warfarin therapy achieved target therapeutic range, highlighting significant gaps in anticoagulation control in this setting.
Sonuga et al. (2016) conducted a cross-sectional in Patients requiring anticoagulation therapy (n=136). Warfarin therapy was evaluated on Achievement of target therapeutic range (INR 2.0-3.0, or 2.5-3.5 for mechanical heart valves). Only 48.5% of patients on warfarin therapy achieved the target therapeutic range for their international normalized ratio (INR), falling short of the acceptable 60% threshold.
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