To assess diabetes control over the preceding 3-month period, what is the most reliable measure?
a. Self-monitoring blood glucose (SMBG) graph report
b. Patient's report
c. Fasting blood glucose level
d. Glycosylated hemoglobin level
ANS: D
The glycosylated hemoglobin level tell much about what the plasma glucose concentration has been, on average, over the previous 2 to 3 months.
The SMBG graph report is done by the patient and indicates each blood sugar level the patient has on a daily basis. It is not as reliable as the glycosylated hemoglobin level, because the equipment used might not be accurate and the testing may not reflect actual measurements 100% of the time.
The patient's report of blood sugar levels is not considered as accurate as the glycosylated hemoglobin level for the same reason that the SMBG is not.
One fasting blood glucose level indicates the patient's blood sugar level for that one time when it was obtained.
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