Table 1 Change in glycated haemoglobin (HbA1c) over the previous 5 years in the RCGP RSC database. International Federation of Clinical Chemists units are used routinely in UK, the units being in mmol/mol. Diabetes Control and Complications Trial is well established and uses percentage as units. Higher levels of both are associated with more complications in diabetes
Five years agoLatest HbA1c
IFCCDCCTIFCCDCCT
Mean (95% CI)56.3 (56.12-56.48)7.3%58.3 (58.01-58.49)7.5%
SD15.23.5%16.23.6%
Median537.0%557.2%
IQR15.33.5%18.03.8%