A 69-year-old male driver cleared for driving after surgery has consistently maintained his INR in the therapeutic range. What is the correct qualification determination?

The correct qualification determination for this scenario is that the driver is qualified for a 1-year certificate. In the context of the Department of Transportation guidelines, a driver who is on anticoagulant therapy, such as warfarin, can still be certified as long as they are maintaining their International Normalized Ratio (INR) within the therapeutic range, which indicates that they are managing their condition effectively and are at a reduced risk of bleeding or other complications.

A 1-year certificate is appropriate because it recognizes the ongoing need for monitoring of the driver's health status and medication management. Regular follow-up is necessary, given that anticoagulation therapy requires careful management to minimize the risks associated with blood clotting disorders and potential bleeding complications.

In contrast, a 2-year certificate is typically reserved for individuals without such medical considerations, while disqualification due to anticoagulant use is inappropriate provided the individual is stable and adheres to their treatment regimen. A temporary certification could be considered in cases where further monitoring or assessments are required but is not standard practice when the driver has demonstrated stable oversight and compliance. Thus, the 1-year certificate is the most suitable option in ensuring safety while taking the necessary medical factors into account.