Is it normal Patient time is 12.9 sec and control 12 regarding prothrombin in patient with chronic hepatitis c?

It is not possible to draw any conclusions from the provided information. The interpretation of prothrombin time results depends on various factors, including the specific coagulation assay used and the reference ranges established by the laboratory performing the test. Additionally, the clinical context of the patient, including the presence of chronic hepatitis C, needs to be considered. It is recommended to consult with a healthcare professional or a laboratory specialist to interpret the results appropriately and determine if further evaluation or treatment is necessary.