Prenatal screening result for thalassemia: What does 92% mean?

Patient's question:

No

Doctor's answer:

Hello! The screening standards for thalassemia are as follows: Red blood cell count (RBC) reference range is 3.5--5.0, Mean RBC volume reference range is 82--95, Mean RBC hemoglobin content reference range is 27--31, Red blood cell distribution width standard deviation reference range is 37--54.