120 days, the patients could have had both very high and very low glucose levels
within that period of time and still have had an estimated average glucose level
, as measured by the HbA1c value, within normal limits. However, other measurements of glycemic control, all of which were abnormally high, argue against this possibility.
During hemolysis, a state of shortened survival for circulating erythrocytes, the number of glycosylated hemoglobin molecules in circulation is reduced.