Investigations showed anemia with a hemoglobin level of 9.2 g/dL, a white blood cell count of 14200/mm<sup>3</sup>, a C-reactive protein of 112.6 mg/L, and a prothrombin time of 75.1 seconds with an international normalized ratio (INR) of 8.5. This evidence concerns the gene F2 and anemia (phenotype).