the savings were only statistically significant for patients in the improved group whose baseline hbalc level was percent or above measuring hbalc is a way of measuring blood glucose levels an important indicator for diabetics for nondiabetics a usual reading would be in the range percent for people with diabetes an hbalc level of percent is considered to be good control however this study did not take into account the cost of the intervention and therefore the overall costeffectiveness could not be assessed in a similar vein testa et al munroe et al