Table. Results of Patient’s Diagnostic Evaluation
VariableResultsReference Range
Activated clotting time, seconds42470-150
Partial thromboplastin time, seconds37.821.0-32.0
Prekallikrein activity, %<563-135
High molecular weight kininogen activity, %15365-135
  • Note: Prolonged activated clotting time was noted immediately prior to the initial planned surgical procedure. Partial thromboplastin time, prekallikrein activity, and high molecular weight kininogen activity were determined at subsequent hematology visits.