Aging is associated with increased HbA_1c levels, independently of glucose levels and insulin resistance, and also with decreased HbA_1c diagnostic specificity

N. Dubowitz, W. Xue, Q. Long, J. G. Ownby, D. E. Olson, D. Barb, M. K. Rhee, A. V. Mohan, P. I. Watson-Williams, S. L. Jackson, A. M. Tomolo, T. M. Johnson II and L. S. Phillips

Diabetic Medicine 31 ( 8 ): 927 - 935 , 2014