A 34 year-old female comes to your office and reports easy bruising, mucosal bleeding, and heavy menstrual periods for the last 6 months. After diagnostic investigations, she was found to have von Willebrand disease. She reports she has family members with the history of this disease and of bleeding. You ordered coagulation studies which included Prothrombin Time (PT), Partial Thromboplastin Time (PTT), D-Dimer, platelet counts and peripheral smear. Which of the following is expected in her laboratory test results?
